The symptom of sneezing all the time is not cancer. Sneezing is a very common clinical symptom, and sneezing has little to do with cancer. The most common cause of sneezing is acute upper respiratory tract infection, such as cold and flu, which may cause sneezing and runny nose. In addition, there may be nasal congestion, coughing or accompanied by fever. In this case, you can take oral treatment with anti-cold medications such as cold and flu capsules to relieve the symptoms of cold and flu. In addition, patients suffering from allergic rhinitis are also prone to sneezing. In this case, active symptomatic treatment is sufficient and there is no need to worry too much. If you still suspect that you are suffering from cancer, you can also go to the hospital for a comprehensive examination to rule out cancer.