MEDICAL WASTE CAN

A medical waste can, comprising: an inner can (2), and a sealing device arranged on the inner can (2) and comprising a sealing rope (51), a snap-fitting fastener (52) and a sliding block (53), wherein two ends of the sealing rope (51) pass through the snap-fitting fastener (52) opposite each other, and are wound in a crossed manner and then separately connected to the sliding block (53); a waste bag is arranged in an annular ring formed by the sealing rope (51); the snap-fitting fastener (52) is detachably arranged on one side of the inner can (2); the top of the inner can (2) is provided with an annular groove, in which the sliding block (53) is slidably arranged; and the sliding block is connected to a drive structure for driving the sliding block (53) to slide. In the waste can, the waste bag is tightened by means of the sealing rope, the two ends of the sealing rope are wound for mounting so that primary sealing is achieved when the sealing rope is tightened, and the sealing rope is then fastened by means