This thesis presents “the system of online product agent”. The aim of this thesis is to use E-Commerce business system idea that is a normal shop system to apply for agents to increase more efficiency of agent the sales channel. Moreover, it meant to increase the various ways to shops and agents. The users can insert to the system by internet. Researcher study E-Commerce information, programming, database system and database system design of the system of online product agent. Then, researcher tests whole system work to find out the failure point and improve it to make the system work perfectly.