Rectum slow-release treatment and nursing device

The invention relates to a rectum sustained-release treatment and nursing device. The rectum sustained-release treatment and nursing device comprises a tube body; an annular partition plate is fixed to the tube body; a sleeve is connected to the annular partition plate; the sleeve is slidably sleeved with an air exhaust piston in sealing sliding with the tube body; a sealed air cavity is defined by the air exhaust piston, the sleeve and the annular partition plate; a first one-way air inlet assembly, a second one-way air inlet assembly and an annular air bag are arranged on the tube body; the annular air bag is inflated by pulling the air exhaust piston, and therefore the device can be better fixed in a human body, and the number of times of discomfort of a patient caused by shaking of the device is reduced; the rectum sustained-release treatment and nursing device further comprises a one-way water pumping assembly, a one-way water conveying assembly, a water pumping piston, a water conveying channel and a wa