Packaging box and electronic product

The invention discloses a packaging box and an electronic product. The packaging box comprises a box body, a box cover body and a locking part. The box body is provided with a containing cavity with an opening, the side wall or the bottom wall of the box body is further provided with an insertion opening communicated with the containing cavity, and an isolation cavity is formed in the position, close to the insertion opening, of the containing cavity. The box cover body is connected to the box main body and can rotate relative to the box main body to seal the opening of the accommodating cavity; the locking part comprises an inserting plate and a locking plate, the inserting plate is connected to the box cover body, the locking plate is connected to the inserting plate in a turnover mode, when the box cover body covers the opening of the containing cavity in a sealing mode, the inserting plate and the locking plate which is turned over to be attached to the inserting plate can be inserted into the containing