Water supply system capable of automatically detecting and balancing flow

The utility model relates to a water supply system capable of automatically detecting and balancing flow. An electric control flow regulating valve and a water meter are arranged between a branch pipe of each floor and water utilization equipment in a resident in the floor; and each electric control flow regulating valve and each water meter are connected with a controller arranged in the building. According to the utility model, the water meter between the branch pipe of each floor and the resident can detect the real-time flow of the resident and transmit the real-time flow to the controller of the building, and the controller of the building samples the water consumption data of each floor and compares the water consumption data; the controller can control the electric flow regulating valves of at least one or more residents at the front end of the floor to be properly turned off so as to ensure normal water use of the residents at the far end; by means of the automatic adjustment, residents at the water s