(1) There are many kinds of chronic diseases in old age, 60% of them have more than two kinds of chronic diseases. Diseases interact with each other, making diagnosis and treatment more chaotic.

(2) It is difficult to distinguish between functional aging and chronic diseases. For example, people in old age tend to care about one thing and lose the other, and forget things. Family members think that dementia in old age can not be recognized in the early stage because of old age, poor memory and neglect.

(3) The late age syndrome is often caused by many causes, which specialty does not belong to. Take falls for example, there may be many reasons for the formation, such as dislocation of otolith, poor vision, abnormal balance, weakness, muscle strength reduction, osteoporosis, hypotension caused by antihypertensive drugs, sleeping pills, and falling in the toilet at night. In addition, adverse environment (small active blanket, wet slippery ground, low seat / toilet) and inappropriate shoes also participate in the fall, 10% of falls can cause serious problems, such as hip fractures, which are far more harmful than chronic diseases. There is no continuous conditioning, the inpatient did not execute the doctor's order after discharge, family busy also can not care, no longer follow-up, form the conditioning suspension, waiting for disease recurrence or aggravation to see a doctor again; With the cooperation of the elderly people's continuous needs of care, such as the various levels, community care centers and home-to-door nursing service institutions, telephone follow-up, home-to-door service, network and long-distance monitoring can be beneficial tools, reducing the cost of conditioning and reducing the burden of the family. The need for the old age Department has the common sense of multi-disciplinary and bear new conditioning forms, such as multidisciplinary team work, referral and conditioning.

(4) Aging, liver and kidney function decline, so that the drug adverse reactions attack rate greatly added. Therefore, the treatment of diseases in the late years needs the cooperation of pharmacists.