Disclosed is a medical hospital bed bedrail connecting pad. The medical hospital bed bedrail connecting pad comprises a connecting pad body. A slope is arranged on the edge of the connecting pad body. A groove is formed in the bottom of one side of the connecting pad body. The connecting pad body is made of a polystyrene foam plastic board. According to the medical hospital bed bedrail connecting pad, due to the structure that the arc groove matched with a bedrail is cut in the edge of the connecting pad body, the bedrail of a hospital bed can be clamped into the groove, a gap between the hospital bed and the bedrail is connected into a whole, discomfort caused when a surgical patient with an abdominal incision gets in and out of the bed is reduced, the patient can get out of bed to take exercise in the early period of postoperation, and postoperation recovery is facilitated.