I. What do you need to do before HIFU treatment 1. No history of abortion within the last 3 months. 2.Make sure you are not wearing a birth control ring. 3.Treat during the non-menstrual period. 4, the day before treatment into a light and liquid diet such as rice soup, lotus root powder, etc.. No food and water after 10 pm the day before treatment. Second, the possible reactions after HIFU treatment After ultrasound ablation treatment some women may experience vaginal discharge, abdominal wall discomfort, muscle pain, mild distension in the lower abdomen, slight swelling and pain in the buttocks and waist, dizziness, mild nausea, etc.. Generally, they will recover within 1-3 weeks, which is relatively mild and does not affect normal work and life. Third, what are the precautions after HIFU treatment 1, after treatment must be prone for not less than 45 minutes. 2.Conventional infusion of antibiotics for 3 days, and after 3 days change to oral antibiotics. 3.After 2 hours after treatment, you can start to eat liquid food; after 24 hours, no abdominal pain, bloating, local pressure pain, fever and loss of appetite can enter semi-liquid food; after 48 hours without the above discomfort can resume normal diet. 4.For 3 weeks after treatment, when sleeping or resting in bed, encourage more changes in position. 5.Sex life is forbidden after treatment. After one menstrual cycle, sex life can be resumed. 6.Patients with IUD requirement can consider placing IUD after 3 menstrual cycles of normal menstruation.