Intestinal hydrotherapy instrument is a kind of equipment to clean and maintain the intestine through disinfected and purified warm water. The working principle of Ogs hydrotherapy instrument is to adopt non-invasive colon hydrotherapy, clean the colon with constant temperature water, inject constant temperature water into the body from the anus, quickly form a lubricating layer between the large intestine and feces, and use the natural excretion mechanism of the human body to expel feces from the body to achieve the effect of colon.