Wooden chair back support positioning and drilling die

The utility model provides a wooden chair back support positioning and drilling die which comprises a platform used for placing a back support, a frame body which is arranged on the platform, can be arranged on the back support in a sleeving mode and is used for positioning the back support, and a positioning mechanism which is arranged on the frame body and can position drilling displacement on the back support. The positioning groove is formed in the frame body and matched with the projection shape of the back support, the positioning shaft is arranged on the positioning groove and used for positioning the drilling position, and the connecting piece is arranged on the positioning shaft, can be connected with an electric drill and enables the electric drill to conduct feeding machining in the axis direction of the positioning shaft. After the frame body is matched with the back support, the drilling position can be directly positioned by the positioning shaft without manual positioning, so that the positioni