Fire is the heat evidence in traditional Chinese medicine. Generally speaking, taking Er Chen Wan as prescribed by the doctor will not cause heat syndrome. Er Chen Wan is a commonly used Chinese herbal formula, which is mainly used to dissolve phlegm-dampness, harmonize the spleen and stomach, and is used to treat phlegm-drinking related disorders, such as coughing and distension, vomiting and nausea. In addition, this product is also effective for spleen and stomach disharmony caused by consuming raw and cold foods or excessive alcohol consumption. Er Chen Wan is composed of Jiang Han Xia, Chen Pi, Poria and Roasted Licorice. In the formula, Jiang Hanxia is good at warming cold and phlegm, and when cold and dampness are removed, the elevation and regulation of the spleen and stomach will be smooth, and fluid will be distributed, so phlegm will not be generated, which can alleviate the symptoms of cough and phlegm, nausea and vomiting; Chen Pi is pungent and fragrant, good at regulating qi and strengthening the spleen (regulating qi and strengthening the transportation of the spleen), and drying dampness and resolving phlegm (eliminating phlegm in the body with dampness-drying medicines). In addition, Poria is sweet and bland, good at strengthening the spleen and seeping away dampness; Licorice is sweet and bland, not only moistening the lungs and harmonizing the middle, but also harmonizing all the medicines (harmonizing the properties of different Chinese medicines). The combination of all medicines can bring into play the function of warmth, dryness and lightness of seepage. Throughout the formula, there are no hot and dry drugs, so taking Er Chen Pills will not cause heat. Note that it is forbidden for those who are allergic to the drug. This formula should be used in accordance with the advice of a doctor and should not be taken blindly by oneself.