Uric acid is the end product of metabolism of purine which is synthesized in the body and from food.It is also an antioxidant in the body,and closely related to the bone,cardiovascular system,endocrine system,respiratory system,nervous system,urinary system,ophthalmology and otorhinolaryngology especially in the elderly.Therefore,more attentions should be paid to the relationship between hyperuricemia and senile diseases.Early screening and treatment of hyperuricemia might enable an improvement of the quality of life and even an extension of the life of older people.