An environmental-protection device microwave source intelligent remote control system comprises a microwave cavity, multiple sets of magnetron units, microwave source control cabinets, an infrared temperature measurement probe, a cavity temperature and humidity instrument, a blowing-sucking air pump and a humidifying device; the multiple sets of magnetron units are arranged on the microwave cavity, and each magnetron unit comprises a magnetron; the interior of the microwave source control cabinet is provided with a plurality of magnetron power sources corresponding to the magnetron units, and each magnetron power source is connected with one magnetron by a power line; the infrared temperature probe and the cavity temperature and humidity instrument are respectively used for detecting the material temperature and the cavity internal temperature and humidity; the blowing-sucking air pump and the humidifying device are electrically connected with a main control unit; the main control unit comprises a switch module, a display module and a control module; the switch module comprises microwave source switches for controlling the make-and-break of the magnetron power sources; the display module is used for displaying detected data; the control module is used for setting startup and shutdown time or setting the temperature through an internal PLC module, and when the set time or temperature is reached, the switches are automatically controlled to be turned on or off. The environmental-protection device microwave source intelligent remote control system can achieve centralized control of a large number of magnetron units, and greatly improves the efficiency and security of operation.