With the deepening of the understanding of novel coronavirus and the accumulation of experience in treatment, the National Health Commission and the State Administration of Traditional Chinese Medicine recently issued the “Pneumonia Treatment Protocol for Novel Coronavirus Infection (Trial Version 4)” based on their experience, and in this version of the protocol, detailed treatment protocols are given for patients in the medical observation period and clinical treatment period (initial, intermediate, severe and recovery) respectively. Chinese medicine treatment plan. However, it should be noted that due to the differences in climatic characteristics, as well as the condition and constitution of patients, doctors still need to refer to the recommended protocols for the treatment of patients.