After hysteroscopy, adhesion is very easy to prevent, there are many kinds of prevention methods, as follows: 1, endometrial repair method, using hormones to make the endometrial growth; 2, put the IUD to prevent adhesion in the uterine cavity; 3, put the balloon, put the anti-adhesion gel; 4, use traditional Chinese medicine to prevent adhesion. Nowadays, there is no clear medical science which is good for preventing adhesion, according to the hospital situation and the experience of the clinician is different, the method is also different. If the trauma is large, it is more reliable to use a little anti-inflammatory drugs for prevention. In addition, the patient must pay attention to the diet after the operation, pay attention to not coitus, keep the vulva clean, so as not to easily cause upward infection.