When use the EPC Internet of Things, the electronic tags will automatically give a action that the users do not expect, such as the recorders that a certain time a person purchase a certain product from a merchant. By ECP code the Internet of Things will associate the individual identity with the electronic tags, thus the information of individual identity, preference, bargain, etc will be infringed in a certain degree [9]. On the other hand, the lower REID technology, you can read the EPC information from the tags by reader to obtain the commodity related message. The above action can be untouchable. Therefore, it is possible to locate commodity holders and track their action, which is bound to make the issue of privacy violated. When the goods have been purchased, before they are distributed to the consumers, the relevant information should be shield in some way. Now it used KILL command in the label provisions, but this is not the best way to solve privacy issues, because the ordinary people did not know what was happened inside label, and also can’t determine if the label completely lost use value or not. In addition, for the owner ECP information can be easy to perceive and manage, but anyone who has the reader can also obtain the information, such as the competitors. How to protection and use the valuable information only by themselves or partner while not others esp. their competitors during the information is perceived, transmitted and applied? Otherwise, the valuable Internet of Things will become an easy platform which the competitors can obtain information. Its value will be greatly reduced. Naturally, there will be no enterprises willing or dare to use it. Therefore, the establishment of the security system and protection of privacy are the problem of the Internet of Things for E-Commerce need to be sure to solve for its continuing to develop.
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