Uterine submucosal smooth muscle tumor is generally not very serious, belongs to the benign gynecological tumors, there is a possibility of recurrence, need to be actively treated. Uterine submucosal smooth muscle tumor is a kind of common benign gynecological tumor, the condition is not very serious, the more common clinical symptoms are anemia, limb weakness, dizziness and blurred vision, as well as menstrual irregularities. Uterine submucosal smooth muscle tumor needs early treatment, otherwise, once the tumor grows up, it is easy to increase the difficulty of treatment. Generally, it is necessary to decide the treatment mode according to the size and location of the tumor, in case of submucosal smooth muscle tumor protruding into the uterine cavity, it can be treated with hysteroscopic submucosal leiomyotomy; in case the uterine submucosal smooth muscle tumor is only connected to the uterine cavity at the tip, it can be treated with endometrial leiomyotomy through the vagina. In addition, submucosal smooth muscle tumors can be removed vaginally. In addition, submucosal fibroids are harmful and patients are advised to take active treatment.