The invention discloses an intelligent assisting monitoring system for a substation internet of things. The intelligent assisting monitoring system comprises a centralized management and control computer, a substation control computer, detection equipment, control equipment and an alarm device; the detection equipment comprises a video monitoring device, a smoke detecting sensor, a temperature-humidity sensor, a sulfur hexafluoride sensor, a water level sensor and an infrared electronic fence; the control equipment comprises an exhaust fan controller, an air conditioner controller, a dehumidifier controller, a draining pump controller and a foam spraying controller; the detection equipment, the control equipment and the alarm device are all connected with the substation control computer connected with the centralized management and control computer. The intelligent assisting monitoring system for the substation internet of things has the advantages of performing highly intelligentized monitoring on a substation in real time, improving the work quality and efficiency of the substation, ensuring the reliability and safety of the substation and the like.