The utility model discloses a SF6 looped netowrk cabinet online intelligent pressure increasing system, including the looped netowrk cabinet, inside being equipped with of looped netowrk cabinet is used for saving the gaseous gas tank of SF6, it is equipped with the installation cavity to be located the gas tank lower extreme inside the looped netowrk cabinet, be equipped with online intelligent pressure increasing system in the installation cavity, online intelligent pressure increasing system is including the baroceptor and the solenoid valve that set up terminal surface under the gas tank, the baroceptor passes through the transmission line and is connected with the solenoid valve, be equipped with the SF6 gas pitcher bottom the installation cavity, the export of SF6 gas pitcher is through hose and solenoid valve access connection, electromagnetic valve and the inside intercommunication of gas tank, the utility model is not only simple in structure, convenient operation, work efficiency is high, and is small, with low costs, safe and reliable, long service life, degree of automation is high.