Benign bilateral teratoma can usually have children, malignant bilateral teratoma may affect the birth of children. Bilateral teratoma for benign lesions, the condition is relatively mild, timely surgery to remove the bilateral teratoma, the operation as far as possible to retain the patient’s ovarian function, did not destroy the remaining ovarian function, the postoperative recovery can be normal birth. Bilateral teratoma is a malignant lesion, the condition is more serious, through the surgery to remove bilateral teratoma, and affect the ovarian function, did not retain the ovaries when, it may affect the fertility function, can not have children normally. However, doctors will try to help patients preserve their fertility when treating malignant bilateral teratomas. Bilateral teratomas should be treated in a timely manner by a doctor who will determine the treatment plan according to the condition.