Abstract: This paper uses the method of text analysis, focusing on the formal feature variables of time, system effectiveness, policy style and policy theme, and content feature variables of legal norm, fuzzy language, principled regulation, legislative purpose and specific work system, makes a systematic analysis on China’s petition system, and summarizes the features and deficiencies. The deficiencies are mainly manifested in: in the text effectiveness, there is a lack of a petition law standardizing petition work and petition activities unifiedly; in the structure of formulation, there are many subjects and the structure is too dispersed; in the text language-using, name-using exists structural phenomenon, the behavior pattern lacks mandatory legal consequences as a guarantee, fuzzy language and principled regulation bring discretion problems.