Treatment: 1. Surgical treatment: Those with obvious intra-abdominal bleeding should undergo emergency surgery. Other patients can be operated according to the condition such as: the site of the mass, size, blood B-HCG value, B ultrasound with or without fetal バーバリー摹 (15) shaped tuan box garden deng expectation ≡裨谑质趸虮J box disaster plague product pepperāQ ≡ 裥允质蹙】supporting fan laparoscopic surgery. The advantages are: less trauma, faster recovery, and less postoperative adhesions. Surgical treatment methods: 1, tubal opening 2, tubectomy 2, non-surgical treatment: (1) expectant therapy: those with mild or no clinical symptoms, ectopic pregnancy mass less than 3cm in diameter, blood B-HCG less than 200MIV/mL and continues to decline (2) drug therapy: methotrexate (MTX) Indications: ectopic pregnancy mass maximum diameter 3.5-5.0cm, B-HCG less than 5000-6000MIV/mL. -HCG less than 5000-6000 MIV/ML. Prevention of ectopic pregnancy: 1. actively treat pelvic inflammatory disease 2. avoid mental tension 3. reduce as much as possible the unfavorable factors for the occurrence of ectopic pregnancy.