The liquid color-changing anti-counterfeiting mark is a new comprehensive anti-counterfeiting technology that uses liquid as an information carrier and the information can automatically disappear. The liquid color-changing anti-counterfeiting mark adopts a unique structural design, self-developed production technology, dedicated identification technology, digital intelligent production line, safe irreversible desensitization technology to store data and blockchain technology to store evidence. Its design concept is to allow all people who want to Consumers or law enforcers who know whether a product is genuine can easily identify it by scanning it with a smartphone software.