Subchorionic hematoma refers to the collection of blood between the placenta and the uterus during pregnancy and is a common cause of bleeding in early pregnancy. If subchorionic hematoma occurs after pregnancy, there is no need to be overly nervous, as most of it can be absorbed slowly by the body. If the situation is more serious, it can be treated with medication, such as intramuscular injection or oral progesterone to inhibit uterine contraction and prevent further development of the hematoma, and also with herbal medicines to resolve blood stasis and stop bleeding and tonify the kidney and fix the flush. During the treatment period, it is better to rest in bed, reduce the amount of activity and not to lift heavy objects, otherwise it will lead to further increase of the hematoma. It is forbidden to have intercourse during the treatment period to avoid the increase of pressure in the uterine cavity, which may aggravate the condition or even cause miscarriage. It is important to monitor the development of subchorionic hematoma by regular maternity checkups and to stay in the hospital if necessary. Subchorionic hematoma can affect the development of the fetus in severe cases, so it is important to pay attention to it and choose the appropriate treatment, as well as to strengthen nutrition and resistance.