哪位大神可以帮我讲解一下这个vb程序啊 ，感激不尽

With ActiveDocument.PageSetup
.LineNumbering.Active = False
.Orientation = wdOrientPortrait
.TopMargin = InchesToPoints(0.8)
.BottomMargin = InchesToPoints(0.8)
.LeftMargin = InchesToPoints(0.8)
.RightMargin = InchesToPoints(0.8)
.Gutter = InchesToPoints(0)
.HeaderDistance = InchesToPoints(0.5)
.FooterDistance = InchesToPoints(0.5)
.PageWidth = InchesToPoints(8.5)
.PageHeight = InchesToPoints(11)
.FirstPageTray = wdPrinterDefaultBin
.OtherPagesTray = wdPrinterDefaultBin
.SectionStart = wdSectionNewPage
.OddAndEvenPagesHeaderFooter = False
.DifferentFirstPageHeaderFooter = False
.VerticalAlignment = wdAlignVerticalTop
.SuppressEndnotes = False
.MirrorMargins = False
.TwoPagesOnOne = False
.GutterPos = wdGutterPosLeft
End With

Selection.Sections(1).Headers(1).PageNumbers.Add PageNumberAlignment:= _
wdAlignPageNumberRight, FirstPage:=True

Dim quote As String
Dim Keyword As String
Dim j As Integer
quote = """"
Dim found_key As Boolean
Dim startSearch As Long
Dim endSearch As Long

Close #1
Open "C:\Users\shuqi\Desktop\新建文本文档.txt" For Input As #1

Set myRange = ActiveDocument.Content

j = 0
Do While Not EOF(1) ' Loop until end of file.
Set myRange = ActiveDocument.Content
endSearch = myRange.End

Input #1, Keyword

j = 0

With myRange.Find
.Text = Keyword
.Forward = True
.MatchWholeWord = True
.MatchCase = False
End With

While myRange.Find.Execute
myRange.Collapse wdCollapseEnd
Set myIndexEntry = myRange.Fields.Add(myRange, Type:=wdFieldIndexEntry, _
Text:=quote & Keyword & quote)

startSearch = myRange.End
startSearch = startSearch + 7
Set myRange = ActiveDocument.Content
myRange.Start = startSearch

If startSearch = endSearch - 1 Then
GoTo skip_while
End If

With myRange.Find
.Text = Keyword
.Forward = True
.MatchWholeWord = True
.MatchCase = False
End With

' this code is because I had a loop here
j = j + 1
If j = 300 Then
myRange.Bold = True
Exit Do
End If

Wend

skip_while:

Loop

Close #1 ' Close file.

myRange.Start = 0
myRange.End = 0
With ActiveDocument
.Indexes.Add Range:=myRange, HeadingSeparator:= _
wdHeadingSeparatorNone, Type:=wdIndexIndent, RightAlignPageNumbers:= _
True, NumberOfColumns:=1, IndexLanguage:=wdEnglishUS
.Indexes(1).TabLeader = wdTabLeaderDots

End With

End Sub

如果你的英语老师死得早，你也可以请教下英文词典。

开头几句给你翻译下，别的去请教你的英语老师：
With ActiveDocument.PageSetup 活动文档的页面设置
.LineNumbering.Active = False 行号的不要
.Orientation = wdOrientPortrait 纸张纵向
.TopMargin = InchesToPoints(0.8) 顶端边距
.BottomMargin = InchesToPoints(0.8) 底端边距
.LeftMargin = InchesToPoints(0.8) 左边距
.RightMargin = InchesToPoints(0.8) 右边距
.Gutter = InchesToPoints(0) 装订线
.HeaderDistance = InchesToPoints(0.5) 页眉距离
.FooterDistance = InchesToPoints(0.5) 页脚距离
.PageWidth = InchesToPoints(8.5) 纸张宽度
.PageHeight = InchesToPoints(11) 纸张高度
.FirstPageTray = wdPrinterDefaultBin 首页装纸盘
.OtherPagesTray = wdPrinterDefaultBin 其它页装纸盘（这里解释下，有时候我们封面比如说用牛皮纸，其他页用打印纸，那么这两个设置就很有用）
.SectionStart = wdSectionNewPage 选区开始
.OddAndEvenPagesHeaderFooter = False 单页和双页区分页眉页脚
。。。

呵呵，你要是经常和代码打交道的话，英语一般般，这些属性基本上一看就知道个大概。

要是想逐一弄懂都是什么意思，可以安装下面步骤：

录制一段宏（专录页面设置部分），随便设置几项内容，结束宏后查看代码然后逐一对应看是什么意思，
有不懂的属性直接在vba窗口内打开对象浏览器然后搜索相关的属性，看看是如何使用的。
比如：

Sub Macro1()
'
' Macro1 Macro
' 宏在 2015/1/9 由 MicroDDD 录制
'
    With ActiveDocument.Styles(wdStyleNormal).Font
        If .NameFarEast = .NameAscii Then
            .NameAscii = ""
        End If
        .NameFarEast = ""
    End With
    With ActiveDocument.PageSetup
        .LineNumbering.Active = False
        .Orientation = wdOrientLandscape
        .TopMargin = CentimetersToPoints(3.17)
        .BottomMargin = CentimetersToPoints(3.17)
        .LeftMargin = CentimetersToPoints(2.54)
        .RightMargin = CentimetersToPoints(2.54)
        .Gutter = CentimetersToPoints(0)
        .HeaderDistance = CentimetersToPoints(1.5)
        .FooterDistance = CentimetersToPoints(1.75)
        .PageWidth = CentimetersToPoints(29.7)
        .PageHeight = CentimetersToPoints(21)
        .FirstPageTray = wdPrinterAutomaticSheetFeed
        .OtherPagesTray = wdPrinterAutomaticSheetFeed
        .SectionStart = wdSectionNewPage
        .OddAndEvenPagesHeaderFooter = False
        .DifferentFirstPageHeaderFooter = False
        .VerticalAlignment = wdAlignVerticalTop
        .SuppressEndnotes = False
        .MirrorMargins = False
        .TwoPagesOnOne = False
        .BookFoldPrinting = False
        .BookFoldRevPrinting = False
        .BookFoldPrintingSheets = 1
        .GutterPos = wdGutterPosLeft
        .LayoutMode = wdLayoutModeLineGrid
    End With
End Sub

呵呵，我的word技巧还有不少是我的英语老师教我的。