Si Mu Tang is mainly used for treating liver qi stagnation (poor qi and blood transportation in the liver and emotional depression) syndrome, and is generally not used for treating diarrhea. It is recommended to bring your baby with diarrhea to the doctor in time. Si Mu 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). It is used for treating liver qi stagnation syndrome. Symptoms include chest and diaphragm distention and tightness, upper air asthma, plumpness under the heart (mainly referring to stomach distension and discomfort), and lack of appetite. Clinically used in the treatment of wheezing bronchitis, bronchial asthma, gastritis, etc. belonging to the liver qi transverse reversal. If your baby is not feeling well, it is recommended to bring him/her to the hospital for medical treatment. If medication is needed, it should be identified by a doctor and standardized treatment should be followed.