Qing Bianxia can be used to treat damp-phlegm cough and gastric plumpness (stomach distension and discomfort). It should not be used with Chuanwu, Prepared Chuanwu, Caowu, Prepared Caowu, and Radix Polygoni Multiflori. Qing Hanxia is pungent in taste, warm in nature, and belongs to the spleen, stomach and lung meridians. It has the efficacy of drying dampness and resolving phlegm (removing phlegm in the body with dampness-drying medicines), and is commonly used in the treatment of damp-phlegm coughs, gastric and epigastric plumpness, vomiting, regurgitation, as well as the coagulation of phlegm and saliva, which is difficult to vomit out. Half-summer improper use can cause poisoning, generally manifested as mouth and tongue, throat itching and numbness, hoarseness, slurred speech, salivation (drooling), loss of taste, nausea and vomiting, chest tightness, abdominal pain, diarrhea, etc., and in severe cases, even respiratory distress, paralysis of the limbs and other symptoms. It is recommended to take under the guidance of a doctor.