The cause of teratoma is still unclear, related to family genetic history and other factors, usually need to take surgery, chemotherapy and other ways, treatment, the specific treatment plan needs to be based on the actual situation of the patient. Teratomas are primitive germ cells that originate from the embryonic gonads and are a common germ cell tumor. The etiology of this disease is unclear and may be related to factors such as family genetic history and congenital defects of the genitals. The treatment of this disease needs to be based on the histopathological type and other factors. If it is a benign teratoma, it is usually based on surgical resection, and the specific surgical methods need to be selected according to the site of the lesion, such as resection of the affected adnexa, tumor debulking, orchiectomy, and so on. If the malignant teratoma, also need to combine chemotherapy drugs such as etoposide, cisplatin, bleomycin, etc., for treatment. It is recommended that teratoma patients go to the hospital in time, and actively cooperate with doctors for treatment.