The invention discloses IoT (Internet of Things) based automatic sorting and recovery equipment for medical waste. The equipment comprises a medical waste collecting bucket conveying system, a medicalwaste stepped sorting system, a medical waste collecting bucket cleaning and recovery system and an IoT monitoring system, wherein the medical waste collecting bucket conveying system comprises a medical waste collecting bucket, a medical waste collecting bucket clamp seat, a metal conveying belt and an anti-falling synchronous stop lever; the medical waste stepped sorting system comprises a vibrating screen group, an air separation system, a crushing system and a water separation system; the medical waste collecting bucket cleaning and recovery system comprises a sprinkling system, a disinfection system, a drying system and an output system; the IoT monitoring system comprises multiple groups of monitoring cameras. With adoption of the equipment, plastic products, glass products, gauze,absorbent cotton and various sharp metal devices can be automatically sorted and recovered from waste, the sharp metal devices are smashed and recovered, the medical waste collecting bucket is cleanedand disinfected, and the sorting state of the sorting equipment is conveniently mastered by a worker in real time on the basis of the IoT.