Sneezing and running nose in the morning is mainly caused by cold or allergic rhinitis, and vasomotor rhinitis. The most common reason for waking up in the morning with sneezing and runny nose is usually due to viral infections that cause respiratory tract infections; if there is no cold, then it may be related to allergic rhinitis, especially for those who suffer from allergic rhinitis for many years, when they wake up early in the morning, they will take the allergens such as the dust on top of the bedding, mites, or fungi to the air, which can be inhaled to trigger allergic reactions in the nasal cavity. Patients with mild allergic rhinitis may experience itchy nose, sneezing and runny nose, but these symptoms will gradually diminish when they leave the room and breathe fresh air. Vasomotor rhinitis will have symptoms of sneezing and runny nose when there is a change in hot and cold stimuli because of the imbalance of autonomic nerve function. This symptom should be actively consult a doctor to clarify the diagnosis, and follow the doctor’s instructions to standardize the treatment.