The invention discloses a public welfare litigation clue research and judgment method based on big data driving, and the method specifically comprises the steps: formulating corresponding data collection schemes for different source channels and data features, automatically and dynamically obtaining case source information related to public welfare litigation from a plurality of channels, and carrying out the integration, cleaning and conversion of the case source information, forming a public welfare procedure case source library; based on big data, constructing natural language processing and other technologies, a public welfare litigation clue research and judgment model, automatically and accurately classifying, analyzing, researching and judging the acquired case source information, calculating an outgoing line research and judgment index, and actively pushing clues larger than a preset threshold value to an inspector to be handled. According to the method, collection, treatment,analysis, research and judgment and early warning of massive case source data are realized, public welfare litigation case source channels are effectively expanded, the quality and effect of screeningpublic welfare litigation clues from massive case source data are improved, and the timeliness and accuracy of discovering the public welfare litigation clues are enhanced.