Luteinizing hormone capsule is a kind of progestin, according to the standard medication effect is good. In clinical practice, it can treat the following diseases: 1. luteal insufficiency. Patients with luteal insufficiency will have shortened menstrual cycle and irregular vaginal bleeding. Patients can add progesterone after ovulation, using 2 times/day, 100mg/time, for 10-14 days, and patients can have normal menstruation with very good effect. Patients with luteinizing insufficiency may have preterm miscarriage caused by low progesterone after pregnancy. After using progesterone capsules, they can well replenish progesterone, which can settle the fetus and stop bleeding.2. Progesterone capsules can be combined with tonic Jiale for artificial cycle to regulate menstruation or treat the decline of ovarian function. Progesterone capsules can also protect women’s endometrium if the patient has abnormal endometrial proliferation, endometrial polyps or in situ cancer of the endometrium.