Plastic box with side window

The utility model relates to the technical field of storage boxes, and provides a plastic box with a side window, which comprises a storage box, the top end of the storage box is fixedly connected with a plurality of first rotating shafts, the outer side walls of the plurality of first rotating shafts are rotatably connected with two closing plates, and the top end of the storage box is provided with a closing mechanism. The closing mechanism comprises a plurality of connecting closing blocks, a connecting placing groove, a first sliding groove and a first clamping block; the connecting closing blocks are fixedly connected to the outer side walls of the two closing plates; the side wall can be conveniently closed by closing a rotary taking plate, the privacy of the side wall is guaranteed, a rotary closing plate can be conveniently closed and opened through cooperation of a third sliding groove and a third clamping block, the rotary closing plate is rotated into the storage box, then a fixed rotating shaft an