A coating holder for holding a plurality of workpieces includes a rotating shaft, a first driving member, a plurality of hanging arms, a plurality of supporting trays, and a plurality of second driving members. The first driving member is configured for driving the rotating shaft to rotate. The hanging arms extend from the rotating shaft. Each hanging arm includes a free end distal from the rotating shaft. The supporting trays are configured for holding the workpieces. The second driving members are fixed in the respective free ends and are connected to the respective supporting trays. The second driving members are configured for driving the supporting trays to rotate.