If the depth of the pessary is not deep enough, it may cause irritation to the rectum, there will be a feeling of bowel movement, when you go to the toilet, the drug will be expelled from the body, so it will not play the effect of medicine. So if the drug is inserted into the anus, at least 3cm should be inserted to be dissolved and absorbed to achieve the corresponding efficacy and not to cause local irritation symptoms. In addition, it is also recommended to clean the anus after inserting the drug, because inserting it into the rectum will bring out some feces, and if the anus is not cleaned in time, it may cause infection, especially local infection symptoms in the vagina, so this point should be given special attention, and it is not recommended to eat sour, spicy, stimulating food after inserting the drug.