In recent years,there are more and more medical disputes.Moreover, they are not easy to deal with.It has already become a focus problem to the society and a knotty problem to the hospitals.The author considers these facts that the patients don't know the facts of a case before approving doctor's treatment ad the hospitals absence of efficient proof are basic reasons.If we can do well the two jobs,they would play a positive role in preventing medical disputes and dealing with these accidents in high efficient,objective and impartial form.