The invention discloses a commodity data processing method, system and device and a storage medium. The method comprises the following steps: obtaining a commodity picture marked with commodity text information, and extracting the commodity text information from the commodity picture, extracting a keyword from the extracted commodity text information, searching to obtain a corresponding standard word according to the keyword, replacing the commodity text information marked on the commodity picture with the standard word, and the like. Through commodity character information extraction, keywordextraction and standard word search and replacement, commodity pictures uploaded by merchants can be automatically processed in batches, the commodity character information contained in the commoditypictures is unified and normalized, and consumers can conveniently recognize the commodity pictures and an e-commerce platform can conveniently manage the merchants. The invention is widely applied to the technical field of information.