Disclosed in the present invention is a coating shielding jig, comprising a first mold assembly and a second mold assembly. The first mold assembly and the second mold assembly comprise a mold opening state and a mold closing state; in the mold opening state, the first mold assembly and the second mold assembly are separated from each other, and in the mold closing state, the first mold assembly and the second mold assembly are combined with each other to form an accommodating cavity, the accommodating cavity being suitable for accommodating a workpiece to be coated; the first mold assembly comprises a local coating channel, the local coating channel being communicated with the accommodating cavity so as to perform, by means of the local coating channel, coating on a predetermined coating region of the workpiece to be coated.