The invention discloses an electric massager, and relates to the technical field of physiotherapy equipment. The electric massager comprises a shell, an opening is formed in the front end of the shell, an integrated electronic circuit board and a rechargeable battery are arranged inside the rear end of the shell, a motor is further arranged at the rear end of the shell, the motor is provided with a rotor, a gear swivel is fixed to the rotor, a detachable hollow retaining ring is arranged on the opening of the shell, an insertion opening communicated with the interior of the shell is formed in the hollow retaining ring, a hollow containing cavity is formed inside the shell, a massager container is arranged in the hollow containing cavity and composed of two detachable semicircular cylinders in a buckled mode, the massager container is installed on a container support, a fixing retaining ring is embedded into the bottom of the container support, and the fixing retaining ring is fixedly connected with the gear swivel. The electric massager has the advantages that the electric massager is convenient to disassemble for cleaning, the whole massager can be easily detached to be cleaned sanitarily, the effect of preventing bacterial infection is effectively achieved, and the electric massager is quite convenient and rapid to operate.