To provide an auxiliary fence to position a cutting material in the table surface direction which is furnished with a table to place the cutting material, simple in structure, easy to operate and has the same function.

This cutting material positioning fence of a cutting machine is constituted to support the auxiliary fence 31 in a recessed part 30d by a supporting shaft 32 free to vertically revolve by providing the recessed part 30d on an upper part of a right side fence 30R set lower than the left side against a cutting blade 12. Consequently, it is possible to solve a problem such that a conventional auxiliary fence to change height of the fence to position the cutting material in the table surface direction is complicated in structure and troublesome to operate.