The system of proof hindrance is one of the most concerned issuesin the field of civil procedure. This paper tries to explore the construction ofproof obstruction system in medical disputes, and discusses how to fully protectthe equal right of proof of the parties and how to give appropriate sanctionsto the obstructionist in such cases from the basis of jurisprudence. In general,this paper adopts the method of comparative law and case empirical analysis toclarify the concept and determine the legal basis to lay a solid foundation for theestablishment of the subsequent system. Secondly, in terms of the frameworkof the theoretical system, it focuses on the further improvement of the relevantsystem in the constitution, legal effect and protection of the rights and interestsof the obstructive theory in China.