The invention provides a threading machine and belongs to the field of machine tools. The threading machine comprises a treading machine body and at least two transferring mechanisms, wherein a base is arranged at the bottom of the threading machine body; grooves are formed in the two sides of the bottom of the base; first blind holes corresponding to the grooves are formed in top of the base; each transferring mechanism comprises a lifting part, two fixing parts and at least two walking parts; a U-shaped groove and an embedded groove are formed in each fixing part; a lug is arranged at the interior of one side wall of the U-shaped groove; a through hole is formed in the other side wall of the U-shaped groove; a rod penetrates through the through hole; gears are rotatably arranged on the side wall of each embedded groove; the lifting part comprises a fixing plate; the left end and the right end of the fixing plate are respectively embedded into the embedded grooves of the two fixing parts; a rack is vertically arranged on one side of the fixing plate and is meshed with the gears. Through the threading machine, the transferring mechanisms are mounted on the threading machine body and a control handle is rotated, so that the threading machine body can get off the ground; the walking parts touch the ground; the position can be transferred at anytime and anywhere.