Gynecological drugs that are inserted anally are the majority of drugs that are used to treat pelvic inflammatory diseases. Through the anal route of drug administration, is to take into account the female uterus, and the back of the rectum is close, there is a uterorectal depression in the middle, is the entire female pelvic position of the lowest. Anal drug delivery, rectal mucosa absorption, will act directly on the lowest point of the pelvic depression, so that the use of drugs, can achieve a better drug effect. The use of anal plug gynecological drugs, it is recommended that the use of stool, the need to raise the head of the bed 30 degrees, which is more conducive to the absorption of drugs and treatment.