Gastric Su Granules has the effect of regulating qi and eliminating flatulence (rationalizing qi, eliminating bloating), harmonizing the stomach and relieving pain, and can be taken for chest tightness and shortness of breath caused by stagnation of qi. Gastric Su Granules is composed of Perilla stalks, Fragrant ferns, Pericarpium Citri Reticulatae, Citron, Forsythia, Citrus Aurantium, Betel Nut and so on, which has the effect of regulating qi, eliminating flatulence, harmonizing the stomach and relieving pain. It can be used in the treatment of Qi stagnation type gastrointestinal pain, which can be seen in gastrointestinal distension and pain, fullness of both sides of the chest, chest tightness, poor food, defecation, and chronic gastritis with the above symptoms. After taking the drug, there may be dry mouth, noisy (stomach similar to hunger, emptiness with burning sensation) and other adverse reactions. In addition, the drug is contraindicated for pregnant women. For patients with chest tightness and shortness of breath, it is recommended to go to regular hospitals for consultation and treatment under the guidance of professional physicians.