diff --git a/1.SwiftFundamental/1.SwiftFundamental.xcodeproj/project.pbxproj b/1.SwiftFundamental/1.SwiftFundamental.xcodeproj/project.pbxproj
new file mode 100644
index 0000000..b670845
--- /dev/null
+++ b/1.SwiftFundamental/1.SwiftFundamental.xcodeproj/project.pbxproj
@@ -0,0 +1,259 @@
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+			buildSettings = {
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+}
diff --git a/1.SwiftFundamental/1.SwiftFundamental.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/1.SwiftFundamental/1.SwiftFundamental.xcodeproj/project.xcworkspace/contents.xcworkspacedata
new file mode 100644
index 0000000..18a3efb
--- /dev/null
+++ b/1.SwiftFundamental/1.SwiftFundamental.xcodeproj/project.xcworkspace/contents.xcworkspacedata
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "self:1.SwiftFundamental.xcodeproj">
+   </FileRef>
+</Workspace>
diff --git a/1.SwiftFundamental/1.SwiftFundamental.xcodeproj/project.xcworkspace/xcuserdata/daolq.xcuserdatad/UserInterfaceState.xcuserstate b/1.SwiftFundamental/1.SwiftFundamental.xcodeproj/project.xcworkspace/xcuserdata/daolq.xcuserdatad/UserInterfaceState.xcuserstate
new file mode 100644
index 0000000..e16d864
Binary files /dev/null and b/1.SwiftFundamental/1.SwiftFundamental.xcodeproj/project.xcworkspace/xcuserdata/daolq.xcuserdatad/UserInterfaceState.xcuserstate differ
diff --git a/1.SwiftFundamental/1.SwiftFundamental.xcodeproj/xcuserdata/daolq.xcuserdatad/xcschemes/1.SwiftFundamental.xcscheme b/1.SwiftFundamental/1.SwiftFundamental.xcodeproj/xcuserdata/daolq.xcuserdatad/xcschemes/1.SwiftFundamental.xcscheme
new file mode 100644
index 0000000..7e700c4
--- /dev/null
+++ b/1.SwiftFundamental/1.SwiftFundamental.xcodeproj/xcuserdata/daolq.xcuserdatad/xcschemes/1.SwiftFundamental.xcscheme
@@ -0,0 +1,91 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "0830"
+   version = "1.3">
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+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "BFDD69F9200C5CF600DA9FA0"
+               BuildableName = "1.SwiftFundamental"
+               BlueprintName = "1.SwiftFundamental"
+               ReferencedContainer = "container:1.SwiftFundamental.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES">
+      <Testables>
+      </Testables>
+      <MacroExpansion>
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+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "BFDD69F9200C5CF600DA9FA0"
+            BuildableName = "1.SwiftFundamental"
+            BlueprintName = "1.SwiftFundamental"
+            ReferencedContainer = "container:1.SwiftFundamental.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES">
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+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "BFDD69F9200C5CF600DA9FA0"
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+            BlueprintName = "1.SwiftFundamental"
+            ReferencedContainer = "container:1.SwiftFundamental.xcodeproj">
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+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
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+         runnableDebuggingMode = "0">
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+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "BFDD69F9200C5CF600DA9FA0"
+            BuildableName = "1.SwiftFundamental"
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+            ReferencedContainer = "container:1.SwiftFundamental.xcodeproj">
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+      </BuildableProductRunnable>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
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+      revealArchiveInOrganizer = "YES">
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+</Scheme>
diff --git a/1.SwiftFundamental/1.SwiftFundamental.xcodeproj/xcuserdata/daolq.xcuserdatad/xcschemes/xcschememanagement.plist b/1.SwiftFundamental/1.SwiftFundamental.xcodeproj/xcuserdata/daolq.xcuserdatad/xcschemes/xcschememanagement.plist
new file mode 100644
index 0000000..425cdd1
--- /dev/null
+++ b/1.SwiftFundamental/1.SwiftFundamental.xcodeproj/xcuserdata/daolq.xcuserdatad/xcschemes/xcschememanagement.plist
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>SchemeUserState</key>
+	<dict>
+		<key>1.SwiftFundamental.xcscheme</key>
+		<dict>
+			<key>orderHint</key>
+			<integer>0</integer>
+		</dict>
+	</dict>
+	<key>SuppressBuildableAutocreation</key>
+	<dict>
+		<key>BFDD69F9200C5CF600DA9FA0</key>
+		<dict>
+			<key>primary</key>
+			<true/>
+		</dict>
+	</dict>
+</dict>
+</plist>
diff --git a/1.SwiftFundamental/1.SwiftFundamental/main.swift b/1.SwiftFundamental/1.SwiftFundamental/main.swift
new file mode 100644
index 0000000..ee675a7
--- /dev/null
+++ b/1.SwiftFundamental/1.SwiftFundamental/main.swift
@@ -0,0 +1,16 @@
+//
+//  main.swift
+//  1.SwiftFundamental
+//
+//  Created by DaoLQ on 1/15/18.
+//  Copyright © 2018 DaoLQ. All rights reserved.
+//
+
+import Foundation
+
+let numberOfPlanets = 8
+let diameterOfEarth: Double = 24859.8244 // In miles, from pole to pole.
+
+print("Welcome to our solar system!")
+print("There are \(numberOfPlanets) plan")
+print("Your are currently on Earth, which has a circumference of \(diameterOfEarth) miles")
diff --git a/README.md b/README.md
index 76205d9..77d927b 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,30 @@
 # IOSTraining
+## Lession 1:
+**1. Variables, type, String, Operators**
++ Difference between let & var
++ Tuple and Optional
++ When to use ``!`` & when to use  ``?``
+
+**2. Structural condition, structural loop in swift**
++ Understand about if, else, if let, guard let
++ More ways using loop for by Swift [link](https://viblo.asia/p/tong-hop-cac-cu-phap-lenh-for-thuong-gap-trong-swift-3-tro-di-1Je5E8AGlnL)
++ When to use ``while`` loop and when to use ``for`` loop
+
+**3. Declare array/ dictionary/ set**
++ When to use array/ dictionary/ set?
+
+**4. Function Type**
+
+**5. Closure**
+
+**6. Enum**
+
+**7. Struct & Class**
++ When to use Struct and When to use class
+
+**8. Inheritance in swift**
+
+**9. Extension in swift**
+
+**10. Protocol**
++ When to use protocol?