The utility model provides an intelligent SF6 state detection device in high-voltage electric equipment. The intelligent SF6 state detection device comprises a data acquisition module, a power supply module, a CPU (Central Processing Unit) core control module and a display module. The I/O (Input/output) expansion port of the CPU core control module is respectively connected with the data output end of the data acquisition module, the input end of the display module and the output end of the power supply module by a bus. The intelligent SF6 state detection device uses the high-frequency devices, the programmable devices and the advanced processor ARM9 chip, and has the characteristics of high measurement accuracy, excellent measurement real-time property, steady measurement and the like. The intelligent SF6 state detection device comprises a case formed by aluminum profiles, thereby having the characteristics of beautiful appearance, rational design, complete functions, strong anti-interference performance and the like; and for the intelligent SF6 state detection device, full model selection is performed on the hardware of component units, and the usability and the economical efficiency both are considered, thus, the intelligent SF6 state detection device has higher use value.