时下，无论是在农村还是城市，因贫穷落后而形成的“不干不净，吃了没病”的错误观念已经没有了市场，而“爱清洁，讲卫生”已成时尚，这倒无可非议。然而目前许多人走极端，爱洁成癖：手洗了又洗，单用肥皂还不行，还得用添加了杀菌药物的肥皂才放心；碗筷非得用开水烫一烫，? Nowadays, no matter whether in rural or urban areas, the erroneous notion of “doing nothing and eating disease-free” formed by poverty and backwardness has disappeared from the market. It is beyond reproach that “love to cleanliness and hygiene” has become fashionable. However, at present, many people go extremes, love Jie into a hobby: hand wash and wash, single use of soap is not enough, had to add the bactericidal drugs soap only worry; tableware must use boiling water hot,?