Disputes between doctors and patients are a prominent part of various social contradictions in our country [The Ministry of Health issued an emergency notice in June 2012, requiring health administrative departments at all levels to negotiate with the public security organs to send police offices to key medical institutions such as hospitals above the second level. ], the recent incidents of injured doctors have repeatedly made headlines and aroused widespread concern in the society. In simple terms, doctor-patient disputes are disputes between patients and the hospital and the attending doctor. If the patient is injured, he can file a civil compensation lawsuit on the basis of the right of claim. However, in practice, because medical disputes mostly involve professional medical knowledge and most Treatment is not public, so in medical litigation disputes, how to allocate the burden of proof is the focus of both the plaintiff and the defendant. To clarify the allocation of the burden of proof in medical disputes, and to improve the rules for the allocation of the burden of proof at the institutional level, can properly handle medical disputes. It is of great theoretical and practical significance to resolve disputes between patients and protect the interests of both doctors and patients.