Sneezing every day may be caused by foreign body irritation, or it may be caused by allergic rhinitis, acute rhinitis and other diseases. 1. Foreign body irritation: If you live in an environment with too much dust or work in an environment containing nitrogen, methane, ethane and other irritating gases, it may lead to sneezing every day, which belongs to a kind of self-protection mechanism. 2. Allergic rhinitis: Allergic rhinitis is a non-infectious inflammatory disease of the nasal mucosa, the cause of which is a combination of genes and the environment, and patients will experience paroxysms of sneezing, watery runny nose, nasal congestion, itchy nose and other symptoms. If you suffer from allergic rhinitis, you will have allergic rhinitis. 3. Acute rhinitis: Acute rhinitis is an acute inflammation of the nasal mucosa caused by viral infection, and patients will experience symptoms such as dryness inside the nose, runny nose, nasal congestion as well as sneezing. There are more reasons for sneezing every day, and patients are advised to stay away from irritating gases. If necessary, they should go to the local regular hospital for relevant examination and clear diagnosis.