The invention relates to a system and a method for the instant network interaction. In the invention, the system comprises at least one instant network interaction platform, at least one data bank, at least one customer webpage interaction device and at least one customer service personnel multimedia message processing device. A user applies for a member account and sets a call dispatching rule for the member service staff through the network instant interaction platform and stores the member account and the call dispatching rule into the data bank; through the network instant interaction platform and the customer webpage interaction device on the membership webpage, the customer reads the call dispatching rule of the data bank and establishes a connection and data transmission with the on-line customer service personnel multimedia message processing device or the service staff on a telephone system side; and thus, the network customer service system for voice interaction, video interaction, text chat, text message, file transfer and voice message between the customer and the service staff is established.