The invention discloses a legal provision searching method and system. The method comprises the following steps of: constructing a legal storage unit according to the collected original legal data; Adata record satisfying the condition is found in the legal storage unit according to the input search condition, and the found data record is displayed. The invention constructs the storage unit according to the hierarchy of part, compile, chapter, section and item, and adopts the method of title combination of hierarchy to carry out context association, so as to improve the search hit rate. And since the indexing content of the law adds to the content of the law it refers to, Therefore, by searching, more laws that meet the search conditions can be obtained, the contents that meet the searchconditions will not be omitted, the search results are more comprehensive, the user experience is better, and the quoted contents of the laws are added in the search results, which is helpful for comprehensively and conveniently viewing the related contents quoted in the laws, and improves the satisfaction degree of the search.