锌是机体起重要作用的微量元素之一，人体缺锌可引起多种疾病。锌在体内不能合成，需从食物摄取，每日需求量为10～15mg。在耳鼻咽喉科范围，已知味觉障碍，尤其药物性味觉损害与锌降低有关。还有老年性聋伴锌降低者存在进行性感音性聋，补锌可使纳音听力和耳鸣部分改善。60岁 Zinc is one of the trace elements that play an important role in the body. Zinc deficiency can cause many diseases. Zinc can not be synthesized in the body, need to be taken from food, the daily demand for 10 ~ 15mg. In the field of otolaryngology, it is known that taste disorders, in particular, drug-induced taste impairment, are associated with reduced zinc. There are senile deafness associated with decreased presence of zinc for the sensorineural hearing loss, zinc can make the nasal hearing and tinnitus part of the improvement. 60 years old