After hysteroscopy dysmenorrhea is very strong, the main consideration is due to surgical stimulation of the smooth muscle of the uterus, the occurrence of adhesions in the uterine cavity, the occurrence of infection in the uterine cavity and other reasons. Hysteroscopic surgery will stimulate the smooth muscle of the uterus, causing the smooth muscle to spasm, then it is easy to have dysmenorrhea. Appropriate hot compresses on the abdomen can slowly improve the situation. Adhesion occurs in the uterine cavity due to the endometrium sticking together after the surgery, which can also cause dysmenorrhea. Symptoms are severe and surgery is also needed to separate the adhesions. Infection of the uterine cavity refers to the infection of the uterine cavity due to surgery, or postoperative coitus and other related reasons, resulting in secondary infection of the uterine cavity, which can also cause dysmenorrhea. Anti-inflammatory drugs, such as amoxicillin, are usually needed. If there is a more serious dysmenorrhea, must go to the hospital, the relevant examination, clear specific causes, under the guidance of the doctor for treatment, so as not to delay the condition.