The benefits of long-term use of Pu huang are mainly reflected in the efficacy of the drug, which is effective in resolving blood stasis and stopping bleeding and diuretic. However, it should not be taken for a long period of time. If you need to take it for a long period of time, it should be used by a professional doctor. Pu huang is sweet in taste and flat in nature, and belongs to the liver and pericardium meridians, with the effects of stopping bleeding, removing blood stasis and diuretic. It is commonly used in the treatment of epistaxis, hemoptysis, hematemesis, vomiting of blood, metrorrhagia (excessive menstrual flow or dribbling), stabbing pain in the chest and abdomen, swelling and pain in falling and thumping, and astringent pain in hemorrhagic drenching (the appearance of blood in the urine accompanied by a painful sensation), and so on. Long-term use is not recommended as the patient’s constitution and symptoms may change during the course of treatment. Pu huang should be used with caution in pregnant women. Adverse reactions are not clear. Combination with acetylcholine and adrenergic receptor blocking drugs is not recommended; it is contraindicated for those who are allergic to the drug, and should be used with caution for those with allergies; a physician should be consulted before use. If there is a need for medication, it should be used under the guidance of a physician, and should not be used blindly, so as not to cause adverse effects on the body.