The invention discloses an intelligent monitoring system for a machine room. The intelligent monitoring system comprises an intelligent monitoring server, an alarm system and an intelligent terminal;the intelligent monitoring server is connected with the alarm system through a communication module; the intelligent monitoring server is connected with the intelligent terminal through a communication module; and the intelligent monitoring server comprises an air monitoring module, a lightning arrester monitoring module, a video monitoring module, an entrance guard monitoring module, a network equipment monitoring module, a power equipment monitoring module, a temperature and humidity monitoring module, an air conditioning equipment monitoring module, a water leakage prevention monitoring module and a fire fighting monitoring module. According to the intelligent monitoring system for the machine room, air, a lightning arrester and inside and outside of the machine room can be subjected tovideo monitoring; machine room environments of an entrance guard, network equipment, power equipment, temperature and humidity, air conditioning equipment, water leakage prevention, fire fighting andthe like, and various equipment in the machine room can be monitored; state information of the machine room environments and the equipment in the machine room is collected; and alarm information is sent through the alarm system according to a monitoring result.