The utility model relates to a medical instrument for cleaning a wound, in particular to a debridement trolley, which comprises a rectangular body with three layers of placement racks, wherein the second placement rack and the third placement rack are provided with small fences with open front faces and closed left, right and rear faces; the first placement rack is provided with a cambered water trough to form a debridement platform; a unidirectional slope funnel-shaped drainage port is formed below the water trough; and the drainage port is used for communicating a sewage discharge pipe to a sewage bucket placed on the third layer of placement rack. The debridement trolley has the beneficial effects of convenience in use and capabilities of saving labor, effectively preventing medical sewage from spilling so as not to pollute peripheral environment and being used as not only the debridement trolley but also a temporary operating tabletop because of the flexible turnover plate design.