The invention relates to a manipulator for a boxing robot. The manipulator comprises a motor assembly, a large arm, a small arm, a swing arm, a driving rod, a main connecting rod and an auxiliary connecting rod. The motor assembly comprises a mounting base, motors and a main shaft. The motors are mounted at the two ends of the mounting base and are each connected with a speed reducer. The main shaft is mounted between the two speed reducers. One side of the large arm is fixedly connected with one speed reducer, the other side of the large arm is connected with the other speed reducer through a large arm bearing and a large arm bearing pedestal, and one end of the large arm is connected with the small arm through an auxiliary shaft. Unique dual-motor servo driving is adopted for the manipulator for the boxing robot, the structure is compact, novel and stable, the movement locus is adjustable, actions are quick, adjustment and control are efficient, flexible and convenient, the manipulator is a core component of the boxing robot, production efficiency is improved, and production cost is lowered.