Dormitory safety energy saving device

A dormitory safety energy saving device comprises an automatic curtain opening and closing module, an automatic power-off module, a smoke alarm module, and a remote control module. The automatic curtain opening and closing module is composed of a curtain opening and closing actuator, a temperature sensor, and a light intensity sensor; the automatic power-off module is composed of a current sensor, a relay, and a human body infrared sensor; the smoke alarm module is composed of a smoke sensor, an alarm, and a relay; and the remote control module is composed of a controller and a wireless communication network. The device of the invention is low in cost and simple in structure. The device is designed in a distributed manner. The modules communicate wirelessly. Wiring is reduced, and installation is easy.