Barcode labels is quite common in now society. Almost each product has a barcode label. People only use a scan machine to scan it and all the information will show on the computer. That can reduce people’S work and also avoid quite much mistake. It is the sign of the social development.

Barcode labels is good enough, but it can’t be encrypted.Thestorage capacity is small, only with digital numbers. 2D code label(l(Two dimensional code)canbe encrypted and stored easily, can be composed by the Han alphanumeric information. 2D code label is more powerful. But both of them the basic function is same. They can use the same scan machine.

Though 2D code label is more anvantage than barcode labels. Now not all the products use the 2D code label. Since 2D code label is more expensive, not so much factory to produce it. Those 2D code labels usually use on the more high tech and expensive products.