The use of shrinking stick will have certain side effects, mainly the following side effects: First, if the use or operation is not appropriate, it will cause female gynecological inflammation, common vaginitis, urethritis, cervicitis and so on. Secondly, the stick for vagina is a foreign body, if long-term use will also stimulate the vagina. Thirdly, the regular use of the stick will also breed bacteria, so that the vagina can not maintain the normal pH, resulting in the vagina normal flora imbalance. Fourthly, the regular use of the stick will also produce a certain degree of dependence on it. Fifth, the frequent use of shrinking stick, if suddenly a period of time without also make the vagina loose. Sixth, the frequent use of shrinkage stick will also lead to infection, because in the process of using the foreign matter will be discharged, if the foreign matter can not be removed in a timely manner for a long time will lead to infection. In short, the shrinking stick must be used under the guidance of the physician.