A safe pure water equipment, the tap water pipe is connected to the water inlet pipe, the tap water becomes pure water through a filter, a booster pump, a osmotic membrane, and is stored in a water storage tank, and the pipe coming out of the water storage tank is equipped with a spectrum multi-parameter On-line detector, electromagnetic valve, water outlet pipe, spectrum multi-parameter on-line detector are electrically connected with data analysis device, and data analysis device is electrically connected with display screen and wireless transmitter. If any data exceeds the alarm value, an alarm signal will be sent immediately, and the alarm The signal is sent to the mobile phone of the management personnel through the wireless transmitter, and at the same time the solenoid valve is closed to stop the water supply; the beneficial effect is: when the pure water making equipment breaks down and causes water pollution, it can immediately call the police and stop the water supply, ensuring drinking water for students Safety.