A survey shows that 78% of children with otitis media come from second-hand smoke families. Researchers say that second-hand smoke environment will increase unhealthy particles in the air, including nicotine and other toxic substances. Compared with children living in smoke-free environment, children living in second-hand smoke environment are more likely to suffer from otitis media. 
Studies have shown that the cure rate of otitis media in children in second-hand smoke families is high
 medical experts say that parents and other families smoke, It is an important cause of otitis media in children.