Yin Qiao San can treat wind-heat type urticaria, but for other types of urticaria, such as wind-cold type, damp-heat type, etc., the therapeutic effect is limited, and need to be under the guidance of a professional physician for the identification and treatment. Yin Qiao San is composed of forsythia, honeysuckle, bitter tangerine root, peppermint, bamboo leaf, raw licorice, thorns, tempeh, burdock, reed root, with the effect of pungent coolness and penetration of epidermis, clearing heat and removing toxins (clearing heat and toxins from the body). In the formula, honeysuckle, forsythia has the effect of pungent and cool, clearing heat, and has the effect of aroma to dispel obscenity (using aromatic odor drugs to remove obscenity and evil qi) and detoxification; thorns and edamame can open the skin and hair and expel evil; tangerine root declares the lungs and throat; licorice clears heat and detoxifies toxins; bamboo leaf clears heat from the upper body; lugwort clears heat and generates fluids. Patients are advised to take medication under the guidance of a doctor.