Pu Huang has the efficacy of opening gonorrhea, stopping bleeding and resolving blood stasis, and does not treat eczema, hand eczema without running water can not use Pu Huang external application. Pu huang has the efficacy of detoxification, and is useful for hemorrhagic drenching (the appearance of blood in the urine and accompanied by a painful sensation). Pu huang has the effect of stopping bleeding, for vomiting blood, coughing blood, leakage (excessive menstrual flow or dripping), blood in urine, etc. It can also be used for traumatic bleeding, usually need to be used externally. Pu huang can dissolve blood stasis, and is useful in treating bruises and injuries, heart and abdominal pain, and menstrual cramps caused by stagnant blood stasis. Pu huang does not have the effect of treating eczema, and is mainly used externally to treat traumatic bleeding and other diseases. For eczema does not flow water people, need to consult a doctor in time. Pregnant women need to take Pu Huang with caution, the adverse effects are not exact, the use of Pu Huang needs the guidance of a doctor.