Environmental monitoring mobile law enforcement terminal and use method

The invention discloses an environmental monitoring mobile law enforcement terminal, which comprises a casing. A display screen is arranged on the surface of the casing; a sliding slot is arranged onthe two sides of the display screen relative to the surface of the casing; an adjusting block is arranged on the outer part of the casing; a placing slot is arranged inside the adjusting block; the placing slot is a hollow bottomless cuboid structure; a sponge block is fixed inside the placing slot; the sponge block penetrates to the outer surface of the adjusting block; a cover plate is arrangedat the top end of the placing slot. Through the designed sponge block, stains on the surface of the display screen can be effectively cleaned; in cooperation with the built-in spring, the sponge blockand the display screen can be firmly attached; the cleaning effect is better; meanwhile, through the designed cover plate, the sponge block can be replaced after being used for a certain time duration, thereby ensuring the cle