Patchouli Zhengqi Shui cannot treat hives. Patchouli Zhengqi Shui is generally used to treat colds and flu caused by external wind-cold, internal dampness stagnation (the stagnation of dampness in the body caused by a diet that is too cold), or summer summer dampness (the body is susceptible to the invasion of summer heat and dampness in summer). Patchouli Zhenqi Shui has the effect of relieving exterior dampness (relieving exterior evils and getting rid of internal dampness), regulating qi and neutralizing the middle (regulating the qi of the spleen and stomach to make the functions of the spleen and stomach smooth). It is generally used for colds and flu caused by external wind-cold, internal dampness or summer dampness, with headache, heaviness, chest and diaphragm constriction, and distension and pain in the epigastrium (abdomen). It should not be taken by people with wind-heat cold, yin deficiency and fire, or pregnant women. Avoid eating cold and greasy food during the period of taking the medicine, prefer to choose light products, avoid taking tonic Chinese medicine. Urticaria is caused by a variety of food, drugs or other factors that stimulate the skin mucous membrane small blood vessels temporarily dilated and permeability increased, local edema occurs. Therefore, Patchouli Zhengqi water can not treat urticaria. If you need to use the drug, you need to use it under the guidance of a doctor.