The invention discloses an intelligent weak current control device based on the Internet of Things, and the device comprises a controller, a WIFI interface circuit, a display interface circuit, a touch screen control circuit, a sensor interface circuit, an alarm, a power module, a WIFI module connected with the WIFI interface circuit, and a display screen connected with the display interface circuit, the touch screen is connected with the touch screen control circuit and attached to the display screen, the sensor assembly is connected with the sensor interface circuit, and the WIFI module is used for being connected with an external intelligent electric appliance, a sensor and a mobile information terminal. The intelligent weak current control device has an environment parameter detection function, the whole intelligent weak current control device is simple in structure and good in expansibility, a large number of intelligent electric appliances and sensors can be connected through the WIFI module, and therefore centralized control, centralized display and touch operation are achieved, the intelligent degree is improved, and convenience is brought to life of people.