How long the average life expectancy of a 70-year-old with Parkinson’s is related to treatment compliance, etc. Parkinson’s disease itself does not affect life expectancy, but complications of Parkinson’s disease, such as decubitus ulcers and sepsis, heart failure, lung infections and urinary tract infections, can affect life expectancy. 1. Parkinson’s disease is a progressive degenerative disease. All drug treatments can only improve the quality of life and work of the patients, but cannot stop the development of the disease, and the patients will eventually lose the ability to live. 2. The main cause of death in Parkinson’s disease is the late stage of the disease due to complications caused by less movement, such as bedsores and sepsis, heart failure, lung infections and urinary tract infections, etc., which accounted for 50%, 28%, 14% and 8% of the causes of death in Parkinson’s disease, respectively. 3. If you have Parkinson’s, you have to actively treat it to maintain an optimistic mindset and actively cooperate with the doctor’s treatment can slow down the progress of the disease and prolong life.