人体上的指甲及趾甲的缝隙,是污垢之处,容易成为细菌的繁殖场所。指(趾)甲应当勤剪,甲缝处亦应刷洗干净。有些老人指甲留得很长,并常常用指甲去搔痒、掏耳,这是一种极不卫生的习惯。须知指甲里面的细菌很多,搔痒时往往会使皮肤破损,露出血痕,细菌就会乘机而入,在破损的部位造成感染。至于用指甲去挖耳朵,掏耵聍(耳秽),更容易使外耳道发炎,遭致病患。因此,老年人的指甲应剪短,并应修磨平整,以防指甲的断痕及 Human nails and toenails of the gap is dirt, easy to become a breeding ground for bacteria. Finger (toe) A should be ground scissors, a seam office should also be scrubbed clean. Some elderly people have very long fingernails and often use it to tickle and dig their ears. This is a very unhealthy habit. Nails know a lot of bacteria inside, often itchy skin will break, revealing bloodstains, bacteria will take the opportunity to enter, in the damaged parts of the infection. As for the use of nails to dig ears, dig 耵 聍 (ear filth), more likely to make the external auditory meatus, was caused by the patient. Therefore, the nails of the elderly should be cut short, and should be polished to smooth, to prevent nail breakage and