In cases of ovulation disorders, ovulation promotion therapy is preferred; 2. IVF or surgical treatment can be chosen for tubal obstruction or pelvic adhesions; 3. Endometriosis should be treated with medication after removal of the lesion; 4. Hysteroscopic surgery is preferred for the separation of adhesions in the uterine cavity if surgical separation is possible; 5. Immunotherapy can be tried for infertility caused by immune factors; 6. Assisted reproductive technology (“IVF”) can be chosen for those who have failed in the above-mentioned trial treatments, those who are infertile due to male factors or those who do not want to undergo surgical treatment.