Si Mo Tang has the effects of moving qi and lowering rebelliousness (promoting the downward movement of upwardly rebellious qi), and relieving the chest and dispersing knots (relieving knots of qi in the chest), and is effective in the treatment of hiccups (hiccups) caused by stagnation of hepatic qi (poor transport of qi and blood in the liver and depression of emotions), but for the sake of safety of the use of the medicine, the drug needs to be taken under the guidance of a doctor. Si Mu Tang, from “Jisheng Fang”, is a common qi agent, the composition of which mainly consists of ginseng, betel nut, incense, tiantai wu yao, etc. It has the effect of promoting qi and lowering the rebelliousness of qi, and broadening the chest to disperse the effect of knot, and can be used for liver qi stagnation, manifested as chest and diaphragm distension and tightness, the upper air gas, the heart under the platoon (mainly refers to the stomach distension and uncomfortableness), fullness, and do not think of food and drink, etc.. However, since Si Mo Tang is a radical that breaks down Qi and reduces rebelliousness, it should be taken with caution by people with spleen and kidney deficiencies who suffer from chest and diaphragm distension; if any discomfort occurs during the period of using the medicine or if the original symptoms do not get better, the medicine should be stopped and the patient should go to a regular hospital for medical consultation. Chinese medicine prescriptions should be used by professional Chinese medicine practitioners to identify the evidence, when discomfort occurs, it is recommended to consult a doctor in a timely manner, do not take medication without authorization.