Deformation-resistant high-molecular medical instrument disinfection box

The utility model discloses an anti-deformation macromolecular medical instrument disinfection box which comprises a box body (30) with an opening in the top, a box cover (40) is arranged at the opening of the box body (30), and a locking mechanism (50) is arranged between the box body (30) and the box cover (40); the box body (30) comprises four lower side plates (31), the adjacent lower side plates (31) are connected through lower corner fittings (32), and the box body (30) further comprises a bottom plate (33); the box cover (40) comprises four upper side plates (41), the adjacent upper side plates (41) are connected through upper corner fittings (42), and the box cover (40) further comprises a top plate (43); the lower side plate (31) and the upper side plate (41) are made of aluminum profiles, and the lower corner piece (32), the upper corner piece (42), the bottom plate (33) and the top plate (43) are made of plastics. The utility model has the advantages of difficult deformation, longer service life an