The invention discloses a garbage recycling device for municipal engineering. The garbage recycling device for municipal engineering comprises a box body and a recycling assembly arranged in the box body, a base plate is installed at the bottom of the box body, a feeding port is formed in the front end of the box body, a rain cover is further arranged at the top of the box body, the rain cover andthe box body are arranged in a communicating mode through a round hole, the recycling assembly comprises a classification device, a metal retainer plate, a first recycling cylinder, a second recycling cylinder, a sewage discharge cavity, and the recycling assembly further comprises a filter plate, a first electromagnet and a second electromagnet. According to the garbage recycling device, the classification device is adopted to be matched with the metal retainer plate and the recycling barrel with the electromagnets, garbage is recognized and classified, and practicability is high; a ventilating window and a ventilator fan are adopted, a filter screen is matched to protect the ventilator fan, peculiar smells and heat in the box body are discharged in time, and bacteria are prevented frombreeding in the box body; and a sewage discharging cavity with an ultraviolet sterilization device and a sewage discharging pipe is adopted, sewage seeping from garbage can be sterilized in time, andbacterium breeding is prevented.