The technology of network household appliance includes two connotations. Firstly, it is the connection between household appliance, that’s to say, varied household appliance can identify each other and cooperate. Secondly, it is the communication between the interior household appliance network and exterior network, the family network of household appliance really become the extension of exterior network.

To realize the mutual connection and information exchange between household appliances, we must solve these problems below:

1. to describe the product model of household appliance working characteristics in order to make the data exchange has specific meaning

2. the network medium of information transmission. Under the solution of the network medium, the selection includes: electric wire-line, RF (Radio Frequency), twisted pair cable, coaxial cable, infrared, fiber.

At present, the most feasible network household appliances include network refrigeratory, network air-conditioning, network washing machine, network water heater, network microwave oven, network cooker and so on.

The future trend of network household appliance is to fuse with the family network.