Machine room monitoring host

The utility model relates to the technical field of monitoring hosts, in particular to a machine room monitoring host, which improves the heat dissipation efficiency of a monitoring host body, avoids the phenomenon of dead halt caused by heating of the monitoring host body, and improves the use effect of a device. Comprising a supporting shell, a monitoring host body and a protective cover, a fixing groove is formed in the middle of the top end of the supporting shell, the monitoring host body is installed in the fixing groove of the supporting shell, the protective cover is fixed to the top end of the supporting shell and covers the monitoring host body, and an opening is formed in the front end of the protective cover; multiple sets of ventilation holes are symmetrically formed in the left end and the right end of the protective cover, the air blowing mechanism is installed on the supporting shell, the air blowing mechanism is used for blowing cold air to the monitoring host body and driving the transmissio