The invention discloses a water environment monitoring control system. The system comprises a water environment detection device, an oxygen aeration device and a control terminal; the water environment detection device comprises a base, an oxygen dissolution sensor arranged on the base, a pH sensor, a temperature sensor, a power module and a wireless communication module, wherein the wireless communication module is a GPRS module, and the GPRS module is provided with an SIM interface; the oxygen aeration device is fixedly connected with the base, and a control module is arranged in the oxygenaeration device; the control terminal is wirelessly connected with the water environment detection device and the oxygen aeration device separately. The water environment monitoring control system hasthe advantages that the system can remotely monitor the water environment and control the oxygen aeration device, parameters, such as oxygen content and temperature, of water can be remotely monitored without on-duty personnel, an oxygen aeration pump is controlled, the labor intensity is lowered, and the system is easy to operate and convenient to use.