Garbage treatment device applied to river environmental protection

The invention provides a garbage treatment device applied to river environmental protection. The garbage treatment device comprises a collection box, an extrusion device, a garbage collection part and a water pump, and the extrusion device comprises a mounting frame, a motor, two extrusion rollers and a first gear. When the garbage treatment device applied to river environmental protection works, the motor drives one extrusion roller to rotate clockwise, through transmission of the first gear, the other extrusion roller rotates towards the opposite side, the water pump is started, and water flow enters from an inlet in the top end of the mounting frame and then is discharged from a water outlet of the water pump; water surface floating garbage enters from an inlet of the mounting frame along with water flow, bottled garbage, branches and the like are extruded through the two extrusion rollers and then enter the garbage collecting piece to be collected, and therefore the water surface floating garbage is autom