The efficacy of Lotus Clear is mainly used for the treatment of high fever, headache, sore throat, muscle aches, nasal congestion, runny nose, cough and other symptoms caused by epidemic and viral colds, and has an effect on influenza virus and new coronary pneumonia virus. Do not eat spicy and stimulating food, greasy and cold food, quit smoking and alcohol, and drink more water while taking the medicine. People with cold and wind should not use Lianhua Qingfei, pregnant women, nursing mothers and weak patients should pay attention to adverse reactions.