Gastric Su Granules are useful for the treatment of symptoms associated with gas stagnation and stomach pain. Gastric Su Granules is a kind of Chinese patent medicine. It is composed of Xiangsu, Citron, Betel nut, and Jin Naijin. It has the effect of regulating qi and eliminating flatulence (rationalizing qi, eliminating bloating), harmonizing the stomach and relieving pain. It is used for stomach pain due to stagnation of qi, symptoms of which can be seen as bloating, belching (hiccup), chest tightness, poor appetite, and poor bowel movement. It also has a therapeutic effect on chronic gastritis and other conditions. Gastric Su Granules adverse reactions are dry mouth, noisy (stomach similar to hunger, emptiness with burning sensation). Contraindications are pregnant women should not take. Precautions, avoid cold food. Take the medicine for 3 days the symptoms do not improve, should go to the hospital. Allergic to the product is prohibited, allergic persons should be cautious. Chinese medicine or proprietary Chinese medicine need to be used under the guidance of a Chinese doctor to identify the evidence, individuals should not use blindly, so as not to cause adverse consequences.