The patient will have the following symptoms: 1. the body temperature is not high, the patient’s body temperature is below 38.0℃ when he/she has a cold, there will be obvious dizziness, headache, muscle aches and pains, weakness around the body, and in serious cases, there will be certain chills, etc. 2. there will be severe dry throat, sore throat, cough, coughing and phlegm in the respiratory system, Coughing phlegm, but there is no yellow phlegm or mucous phlegm in the phlegm, and there is also nasal congestion, nasal obstruction, and runny nose, but the runny nose is mainly clear at this time. There are also clinical symptoms and manifestations of cold and flu, such as weakness, chest tightness, shortness of breath, palpitations, and some difficulty in breathing. 3. In severe cases, there is also wet and cold skin and cold sweat around the body, which is an aggravation of cold and flu.