Closestool for nursing bed, nursing bed and use method

The invention discloses a closestool for a nursing bed, the nursing bed and a use method. The closestool comprises a closestool body, wherein a dirt containing cavity, an arc-shaped spraying gun and aflushing system are arranged in the closestool body, a feces collecting barrel sleeves a bottom opening of the dirt containing cavity, and an electric push rod is arranged at the bottom of the fecescollecting barrel; a bag storage device, a hot melting device, a bag pushing device and an air suction device are sequentially arranged in the feces collecting barrel from top to bottom; the bag storage device is used for storing feces collecting bags, the air suction device is used for pulling out the feces collecting bags stored in the bag storage device, the hot melting device is used for performing hot melting sealing and cutting on the pulled-out feces collecting bags, and the bag pushing device is used for pushing the sealed feces collecting bags out of a barrel body from electric doors.By using the closestool fo