The invention discloses a medical nursing bed. The medical nursing bed comprises a bed frame, a bed plate and bed side pocket plates, and further comprises a bed plate frame and water-pervious net cloth, wherein the water-pervious net cloth is arranged at the lower part of the bed plate frame; each of four corners of the bed plate frame is arranged on the bed frame through a telescopic rod; the bed side pocket plates are arranged on the side edges of the bed plate frame; and the bed plate is arranged in the bed plate frame through hinges and bed plate fixing bolts. According to the medical nursing bed, a bedridden patient can be portably and efficiently subjected to daily nursing such as turnover, bedding replacement, diaper replacement, body washing and the like, so that the nursing work of nursing personnel is greatly reduced, the nursing efficiency is improved, and the nursing quality is ensured.