if A column equal xxxxx, then select a range

many columns, A column is date , if Axx cell equal a date, then select a data range in B column to calculate a function.

how to select that range?

Thank you so much

Your post is quit lacking in clarity or enough detail to provide an accurate response. What do you want to accomplish with column-B?

    If IsDate(Range("A1")) And Range("A1") <= Date Then
        Range("B1:B10").Select
        'other code
    End If