Dimensional two-dimensional code labels security code can be generated by two-dimensional code is a security system for the products of the two-dimensional code encryption product information, through a two-dimensional code scanning mobile phones or other mobile terminals can learn a series of genuine safety information of the product, thereby achieve assured to buy and oversight role of counterfeiting. Dimensional code security principle: for each product is assigned a random, unique, identity-level two-dimensional code; 1, the product information stored in the database; 2, after the consumers to purchase products via the mobile phone software product security check information;