Parallelism measurement tool set for boring bar

The utility model relates to a parallelism measurement tool set for a boring bar, which comprises a fixture body, wherein one side wall of the fixture body is connected with one end of a first bolt; the other end of the first bolt is welded and sheathed with one end of a first bar body; the inside of the inner wall of the other end of the first bar body is connected with one end of a second bolt; the other end of the second bolt is welded and sheathed with one end of a second bar body; the inside of the inner wall of the other end of the second bar body is connected with one end of a first joint; the inside of the inner wall of the other end of the first joint is connected with one end of a column; the other end of the column is connected with a second joint; the second joint is bent; the column comprises a transverse part and a vertical part; the transverse part of the column and the second joint are connected through a ball bolt; and the vertical part of the column is connected with a dial indicator. The ut