Chinese patent medicines without Liu Jun Wan should refer to Xiang Sha Liu Jun Wan. There is a difference between Er Chen Pill and Xiang Sha Liu Jun Wan in terms of drug composition, efficacy and treatment of diseases. Er Chen Wan has the efficacy of drying dampness and resolving phlegm (removing phlegm from the body by drying dampness), regulating qi and harmonizing the stomach, and is composed of Chen Pi, Pinellia, Poria and Glycyrrhiza. Xiangsha Liujun Pill is effective in benefiting qi and strengthening the spleen (regulating the qi of the spleen and stomach), and harmonizing the stomach, and is mainly composed of Muxiang, Sha Ren, Codonopsis, Atractylodes Macrocephalae, Poria, Semixia, Poria and Licorice. Er Chen Pills are mostly used for treating cough and phlegm, chest and epigastric distension, nausea and vomiting caused by stagnation of phlegm and dampness. Xiangsha Liujun Pill is mostly used to treat spleen deficiency and qi stagnation, dyspepsia, belching (hiccups) with little food, distension of the epigastrium (abdomen), and loose stools. The adverse effects of the above drugs are not clear, avoid smoking, alcohol and spicy, cold, greasy food, should not be taken during the drug at the same time to take tonic Chinese medicine, allergic to the drug is prohibited, allergic people should be used with caution. Er Chen Wan is not suitable for dry cough caused by lung yin deficiency. If the patient is not feeling well, it is recommended to consult a doctor in time to avoid delaying the condition.