Early sneezing, runny nose, nasal congestion during the day is fine, may be related to the temperature difference in the morning, the impact of the indoor environment, rhinitis and so on. If accompanied by other abnormal symptoms, it is recommended that the patient go to the hospital in a timely manner to clarify the cause of the disease. 1. Wide temperature difference in the morning: the temperature is low in the morning, and the body can’t adapt to it for a while, so it may react with a slight cold. It causes sneezing, runny nose and nasal congestion. After the body adapts to the temperature, the symptoms will be relieved. 2. Indoor environmental influences: the room is not ventilated, dusty, pet hair or pollen, etc., which stimulate the nasal mucosa, sneezing, runny nose, nasal congestion and other symptoms. After leaving the triggering factors, the symptoms will be relieved. 3. Rhinitis: Patients suffering from chronic rhinitis or allergic rhinitis are prone to runny nose, nasal congestion, sneezing, itchy nose and other symptoms. Symptoms are aggravated by colds or exposure to allergens. Early sneezing, runny nose, nasal congestion, nothing during the day, it is recommended to go to the hospital in time for serum-specific IgE test, nasal endoscopy, allergen skin prick test and other definitive diagnosis.