According to research, contracting the anus one hundred times a day can promote perianal blood circulation, prevent venous stasis and the resulting internal hemorrhoids, external hemorrhoids, anal fissures, prolapse, anal eczema, constipation, chronic enteritis, etc. It also has significant effects on the treatment and prevention of chronic diseases such as coronary heart disease, hypertension, varicose veins in the lower limbs, perianal inflammation and perianal skin damage. Sun Simiao, a medical doctor of the Tang Dynasty, highly respected this method and advised the world in his book “Pillow in the Square” that “it is advisable to always handful the valley.” Valley Road, commonly known as the anus. Handful, that is, the collection (lifting) contraction also. In layman’s terms, it is to do the action of contracting the anus. The muscles around the anus should be intermittently in motion to maintain health and fitness, especially for the prevention and control of hemorrhoids have special efficacy. Modern medicine also believes that the anal muscles and anal sphincter muscles in and around the anus, including the large intestine, should be intermittently contracted at least one hundred times a day, for about 1-2 minutes each time. If you have a bowel movement, you should do the anal lifting exercise in time and extend the lifting time to 2-3 minutes. This is conducive to the rapid recovery of the function of the external anal sphincter that controls defecation, but also to prevent the external sphincter from breaking and causing fecal incontinence and other disorders. According to research, the greatest effect of daily handful of Gu Dao for 100 times is to promote perianal blood circulation, prevent venous stasis and the resulting internal hemorrhoids, external hemorrhoids, anal fissures, prolapse, anal eczema, constipation, chronic enteritis, etc. It also has significant effects on the treatment and prevention of chronic diseases such as coronary heart disease, hypertension, varicose veins of the lower limbs, perianal inflammation and perianal skin damage. The specific practice of handing out the valley is summarized by the ancients as “sucking, licking, handing out and castration”. That is, “relax the whole body, clench the buttocks and thighs hard, cooperate with the collection of Qi, tongue licking the palate, upward collection and lifting the anus, slightly closed Qi, and then slowly exhale, the whole body relaxed.”