Flatulence in both ribs is mostly caused by stagnation of food accumulation (food that is indigested and accumulated in the stomach), dampness obstructing the spleen and stomach, and stagnation of qi in the liver and stomach, etc., which need to be diagnosed and classified into different types of medication. 1. Stagnation of food stagnation: In addition to flatulence in the two ribs, it can also be manifested as abdominal distension, belching (hiccups) and spitting of acid, noisy in the stomach (the stomach has a feeling similar to hunger, emptiness with burning) and discomfort, as well as not thinking about food and drink and other symptoms. Commonly used proprietary Chinese medicines include Shenxiang Hualu Pill, the adverse effects of which are not yet clear, and pregnant women should not take. 2. Dampness obstructing the spleen and stomach: in addition to flatulence in the two ribs, it can also manifest as abdominal distension, low food intake, loose stools (thin and unshaped feces), heaviness of the body, and thick and greasy tongue coating and other symptoms. Commonly used proprietary Chinese medicines include Xiangsha Nourishing Stomach Pill, the adverse effects and contraindications of which are not yet clear. 3. Liver and Stomach Qi Stagnation: In addition to flatulence in the two ribs, it may also manifest as distension and pain or tingling in the stomach and epigastric region, depression, tastelessness of food and vomiting of acid. Commonly used drugs include Muxiang Shunqi Pill, whose adverse effects and contraindications are not clear, and should be used with caution in pregnant women. Before taking the above medicines, they should be used under the guidance of a Chinese medicine practitioner, and should not be purchased and used on their own, in order to avoid delaying the condition.