The invention discloses an internet-of-things and android system based intelligent home system which comprises a control host and a plurality of terminal devices. The control host is provided with a high-performance arm processor, a touch screen and an android operation system, supports zigbee, blueTooth, wifi (wireless fidelity), 3G (the third generation) communication, is provided with a built-in web server and a built-in database, has functions of display, operation, control data storage, server, energy management, and particularly has functions of automatic control, hand-operated control, voice control and remote control. The terminal devices include a sensor terminal, a security terminal and a control terminal, are provided with independent processors and network addresses, have functions of data acquisition, data transmission, instruction receiving, transmitting and processing and IO (input / output) control, and support one or multiple wireless communication manners of zigbee, blueTooth, wifi and 3G.