Cooling system for server and server

The invention discloses a cooling system for a server and the server. The cooling system comprises a substrate management controller; a power supply module; an instantaneous high-watt trigger circuit is respectively connected with the power supply module and the substrate management controller and comprises a first MOS (Metal Oxide Semiconductor) transistor reverse circuit connected with the power supply module, an RC (Resistance-Capacitance) discharge circuit connected with the first MOS transistor reverse circuit, an AND gate connected with the RC discharge circuit; and a second MOS tube is respectively connected with the substrate management controller and the AND gate, and the AND gate is also connected with the power supply module; a second MOS tube reverse circuit is respectively connected with the second MOS tube and the substrate management controller; a fan module is connected with the second MOS tube reverse circuit. By means of the scheme, the problem that the system is overheated due to the fact t