The center of gravity of the computer industry is now moving from personal computing into embedded computing. At present, the key to realize intellectual control and network control of manufacturing equipments is to embed the embedded system into manufacturing equipment and extend the control method of manufacturing equipments to the remote network through the network function of the embedded system. In this paper, the characteristic of embedded system and the architecture of embedded system grid are introduced firsty. Then, the interface method between embedded system and grid are discussed. The control model of embedded system resources under the grid environment, the method of overall sharing embedded system and its equipment are also describled. After that, the embedded system grid technology of sharing and controlling embedded resources are presented.