Uterine fibroids occurring in the submucosa can cause increased menstruation and prolonged periods. Patients tend to have dizziness, palpitations and weakness, and are prone to hemorrhagic anemia. It should be treated promptly by the following methods: 1. timely visit to the hospital to correct the anemia and improve the general condition; 2. hysteroscopic surgery treatment: at the right time, the fibroids will be removed and the menstrual flow can be reduced after the surgery, thus improving the symptoms of anemia; 3. when the menstrual flow is reduced, then gradually replenish the blood through diet, or oral iron supplements.