Brown vaginal discharge after pregnancy indicates bleeding after pregnancy, but the amount of bleeding is relatively small, it is recommended to go to the hospital for examination. I. Monitor HCG and progesterone in blood dynamically, if HCG doubles well and progesterone level is low, progesterone can be given for fetal preservation treatment. Second, if the HCG doubling is not good or keeps hovering at low values, attention should be paid to ultrasound to rule out ectopic pregnancy. If the pregnancy is diagnosed as intrauterine, but the HCG does not double, and the growth of the gestational sac is found to be slow, it should be considered as fetal abortion, and birth control treatment is not recommended. 4. If the HCG doubles well, the intrauterine pregnancy, the gestational sac develops well, and the fetal buds and primitive heart tube pulsation appear, the fetus can be appropriately treated with Chinese herbal medicine. V. If the gestational sac is well developed but the gynecological examination reveals bleeding from the cervix and no bleeding from the uterine cavity, it can be left untreated for the time being and attention should be paid to vulva hygiene to avoid infection.