The endometrial thin menstruation may be due to the uterine cavity adhesion, hyperprolactinemia, early onset ovarian insufficiency and other conditions, the patient needs to comply with the doctor’s instructions to use cefadroxil, estradiol, ergometrine and other medications to regulate. 1. Uterine cavity adhesion: Usually patients need to follow the doctor’s instructions to use cefadroxil, cefuroxime and other antibiotic treatment, and also need to be used in conjunction with a large dose of estrogen, which can promote endometrial hyperplasia and repair. Some patients can also use aspirin and other non-steroidal anti-inflammatory drugs in small doses. 2. Hyperprolactinemia: patients need to follow the doctor’s instructions to use bromocriptine mesylate and other drugs, can inhibit the pituitary prolactin secretion and prolactinoma cell proliferation. Some patients can also be used with α dihydroergocryptine, ergometrine, quinagolide and vitamin B6 and other drugs for treatment. 3. Early-onset ovarian insufficiency: Usually, patients can follow the doctor’s instructions to use estrogen drugs such as estradiol valerate, norethindrone, 17β-estradiol, etc., and also need to be used in conjunction with progesterone, dydrogesterone and other progestogens for treatment. Some patients may also be treated with estrogen-progestogen combinations such as estradiol/estradiol-dydrogesterone tablets. It is recommended that when patients have endometrial thinning and low menstruation, they need to find out the cause of the disease in time, and then follow the doctor’s instructions to actively treat the disease, and if necessary, they also need to cooperate with the doctor to carry out surgical treatment.