The invention provides an intelligent control system for preventing water from running from a faucet, and the system comprises a power supply unit, a flow sensor, a microprocessor, a data storage unitand a solenoid valve, wherein the power supply unit, a data acquisition unit, the flow sensor and the solenoid valve are independently connected to the microprocessor; the flow sensor is installed inthe household water pipe, and periodically transmits the collected real-time flow data to the microprocessor; the solenoid valve is installed in the household water pipe; the microprocessor is provided with a determination module, which can determine whether the water is running, and send a close command to the solenoid valve to close the solenoid valve when determining that the water is running.The system can fully consider the factors of water consumption time and single water consumption by using simple instruction calculation to accurately judge whether water running occurs, and close the water inlet pipe from the source in time, so as to prevent water running.