Chaihu Shu Liver Pill does not specify a maximum period of time, but this product should not be taken for a long period of time. If there is no relief of symptoms after taking the medicine for three days, you should go to the hospital in time. Chaihu Shu Liver Pill is composed of Chaihu, Qingpi (fried), Chenpi, Fenghuang, Xiangshou in vinegar, Citrus aurantium glutinosa, Mucuna pruriens, and Wuyao, etc. Its efficacy is to dredge the liver and regulate the liver qi (to regulate the liver qi stagnation), to eliminate flatulence and to relieve pain. It is used in treating symptoms such as liver-qi disharmony, chest and hypochondrium (collectively referred to as the chest and ribcage area) constipation (abdominal distension and other manifestations), food stagnation, vomiting and acidity, and so on. Its adverse reactions and contraindications are not clear, but we need to pay attention to avoid spicy and greasy food during the period of taking the drug, and this product should be strictly in accordance with the dosage, should not be taken for a long time. If the symptoms are not relieved in three days, the drug should be stopped immediately and go to the hospital. If you need to use the drug, it is recommended to go to the hospital in time, under the guidance of a physician to take, so as not to delay the condition.