In clinical practice, drugs that can easily injure the stomach when used inappropriately are mainly gold and stone, bitter and cold, and attacking and destructive Chinese medicines, such as keel bone, oyster, manganese nitrate, rhubarb, glycyrrhiza glabra, and coptis, among others. Traditional Chinese medicine believes that the spleen and stomach are the foundation of the later life, so in the process of treating the disease, focus on solidifying and protecting the stomach qi. 1. Jinshi type: These medicines are not suitable for digestion and can easily cause the burden of transportation and digestion on the spleen and stomach, thus damaging the stomach qi. This kind of Chinese medicine mainly includes dragon bone, oyster, mother-of-pearl and so on. 2. Bitter and cold: Chinese medicine practitioners believe that the stomach likes to be moist and do not be agitated, and bitter and cold medicines are easy to dry dampness and damage the stomach qi. This kind of Chinese medicine mainly includes Huanglian, Scutellaria baicalensis, Huangbai and so on. 3. Attacking and destroying: Attacking and destroying drugs are more stimulating to the stomach and intestines, which can easily damage the stomach qi. These herbs include rhubarb, glycyrrhiza glabra, and coriander. Improper use of the above medicines can easily damage the stomach qi, so before using them, it is recommended to go to a regular hospital and use them under the guidance of a professional doctor.