There are different sizes of Er Chen Pills on the market, and the price of a box of Er Chen Pills is around $15~$40 depending on the manufacturer, specifications, logistics and other factors. According to the actual situation in the local area, the price of Er Chen Pills will be different, and Er Chen Pills will cost about 15 yuan to 40 yuan. In addition, the manufacturer and health insurance policy, as well as packaging specifications will affect the price of Er Chen Pills, consumers are recommended to buy in the local regular medical institutions. Er Chen Pills is a proprietary Chinese medicine, which consists of Chen Pi, Pinellia and Poria. Er Chen Pills can be used to treat cough and phlegm caused by phlegm-dampness stagnation, as well as nausea and vomiting, as it is effective in drying dampness and resolving phlegm (using dampness-drying medicines to remove phlegm from the body), and regulating qi and harmonizing the stomach. The adverse reactions of Er Chen Pills are stomach distension and contraindications are not clear in individual patients. Precautions to avoid smoking, alcohol and spicy, should not be taken with tonic Chinese medicine, lung yin deficiency dry cough is not applicable. 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.