Sneezing is good for the human body, for example, for those who have rhinitis, sneezing can knock out some dust and bacteria in the nasal cavity, which is good for the human body. People with allergic rhinitis will be allergic to pollen, dust and other substances, when encountering these substances, they will habitually sneeze, sneezing can be dust, pollen and other substances for discharge, which is beneficial to the human body, and after discharge, it can alleviate the symptoms of allergy, and the symptom of blocked nose will be improved. People with acute rhinitis have a self-defense guarantee, the human body can sneeze, sneezing can be the nasal cavity of bacteria, viruses and other substances for discharge, thus reducing the symptoms of rhinitis. It is worth noting that excessive sneezing is damaging to the human body, for example, it may lead to symptoms such as bleeding of the nasal mucosa. When sneezing occurs repeatedly, you can go to the hospital in time, under the guidance of the doctor for reasonable diagnosis and treatment.