Block chain e-commerce system and method and storage medium

The invention provides a block chain e-commerce system and method, and a storage medium. The system comprises the steps of determining a plurality of merchant sides; based on the merchant end set, constructing a market block chain; acquiring first vegetable commodity information sent to the market end by the first merchant end through the market block chain; analyzing the rationality of the first vegetable commodity information based on a commodity rationality analysis model constructed according to data in the market block chain, and obtaining an analysis result; whether the analysis result meets a preset rationality threshold value or not is judged, if yes, the market end issues first vegetable commodity information, and if not, the market end obtains reminding information and issues the first vegetable commodity information and the reminding information; and according to a preset time period, updating the commodity rationality analysis model, and managing a merchant end set and a market end. The method for