Sneezing is a phenomenon that occurs when the nasal mucosa is stimulated by viruses, bacteria, allergens and other substances and then inhales sharply, then quickly ejects from the nostrils and makes a sound; it is a means of defense for the body to drive out anything irritating from the nose. Sneezes carry hundreds of thousands of microorganisms with them! Never underestimate the power of a sneeze; it can contaminate far more than you can imagine. A normal person’s sneeze contains about 300,000 microorganisms (including viruses, bacteria, etc.), and this number grows many times over when you have a respiratory illness (such as the flu). The speed of a sneeze can reach 150 km/h! In addition to carrying microorganisms, the energy generated by a sneeze is also very powerful. According to a foreign study on the force of sneeze jets, the airflow speed of a sneeze can reach 150 km/h, which is 41.7 m/s, and can instantly spray droplets several meters away, almost close to the maximum wind force of the center of typhoon Haiyan with a magnitude of 14. . Many people believe that seeing a sneeze on television paper flying around, which is a very big injury to the nasal mucosa, children’s nasal mucosa are very thin, it is easy to bleed because of a sneeze. 1., blood vessels are unable to pressure, rupture: we know that sneezing has a huge impact, sneeze from the lungs to the mouth and then to the nasal cavity, along the chest, neck, head and face of the muscles suddenly and violently contracted, the force together with a, and is instantly completed action, so in it reached the peak of speed and strength. This can easily cause blood vessel rupture for some people with potentially dangerous diseases (such as heart, brain and heart tube diseases), leading to serious or even fatal complications such as rhinorrhea and intracranial hemorrhage. 2. The eardrum is overwhelmed with pressure and ruptures: Sometimes a sudden increase in pressure in the middle ear may also cause the eardrum to rupture. After the tympanic membrane ruptures, people will suddenly feel ear pain, hearing loss, tinnitus, a small amount of bleeding and a feeling of stuffiness in the ear. 3., violent contraction of the lumbar muscle, flashing the waist: sneezing strong contraction of the lumbar muscle, but also lead to lumbar muscle injury (flashing the waist) or lumbar disc protrusion, foreign literature and even sneezing out of the pneumothorax, as well as causing pregnant women miscarriage cases. 4, pregnant women because the abdomen received a violent shock is likely to lead to placental hemorrhage, fetal hypoxia, and even miscarriage. 5, after sneezing various inflammatory substances mobilization, resulting in mental deterioration, people’s memory and other received a variety of release of substances become dull, affecting work efficiency. Suggestions: the existence of perennial sneezing patients, especially children, women, the elderly, lumbar disc, cervical spondylosis and other patients early treatment.