Pig bile as a medicinal herb called pig bile powder, long-term side effects of taking this drug has not yet been documented by authoritative information, but this product is bitter cold, long-term self-medication may damage the spleen and stomach yang qi, the specific medication should follow the doctor’s instructions, do not self-medication of long-term use of traditional Chinese medicine. Pig bile powder is the dried product of pig bile of pig family animals, cold in nature, bitter in taste, belonging to the large intestine, lungs, gallbladder, liver meridian, has the effect of detoxification, relieving cough and asthma, moistening dryness and clearing away heat, applicable to asthma, tonic cough (lung disease caused by seasonal evils and toxins), fever and dryness and thirst, laryngeal paralysis (pharyngeal redness, swelling, pain, or dryness, with a sense of foreign body, or pharyngeal itching discomfort, difficulty in swallowing), jaundice and other diseases. The adverse reactions and contraindications of this drug are not clear, and it is less used in clinical practice. The side effects of long-term use of this drug are not yet known, but this product is bitter and cold, and long-term use of this product on its own may damage the yang qi of the spleen and stomach, so it is not recommended to take it on its own for a long period of time. Pig bile powder can be taken or into the pills, can also be powdered in the affected area, this drug on constipation, dysentery, carbuncle and swelling poison and other diseases also have curative effect. Although the application is not much, but the patient should not blindly use pig bile powder, in order to avoid affecting the condition, the use of drugs must be through the guidance of professional Chinese medicine practitioners.