Constant sneezing can be caused by colds, allergic rhinitis, sinusitis and other conditions. It is recommended to take good daily care and treat the cause, which can help relieve the symptoms. 1. Colds: Colds can cause many symptoms, such as runny nose, sneezing, fever, etc. Colds that cause sneezing are considered to be related to viral or bacterial infections that stimulate the nasal mucosa. Common cold is self-limiting. It is recommended to pay attention to preventing cold and keeping warm, and increase the amount of water intake, which can gradually relieve the symptoms. If necessary, under the guidance of the doctor to give cold and clear heat particles, Lianhua Qingdian capsule and other drugs treatment. 2. Allergic rhinitis: allergic rhinitis is considered to be related to allergy, such as contact, inhalation of allergens, which can cause a runny nose, sneezing, if necessary, give loratadine, cetirizine and other antihistamine treatment. 3. Sinusitis: The causes of sinusitis are complicated, and patients will have symptoms such as runny nose and sneezing. Budesonide and mometasone furoate nasal spray can be given under doctor’s supervision, which can control the inflammatory response. Sneezing all the time, related to a variety of factors, it is recommended to actively seek medical help to clarify the diagnosis, remove the triggers, control the symptoms, medication and treatment under the guidance of the doctor.