The utility model discloses an on-the-spot integration detection device of sulfur hexafluoride gaseous mass belongs to power equipment and detects technical field. The utility model provides an on-the-spot integration detection device of sulfur hexafluoride gaseous mass, including air inlet, relief pressure valve, first detection line, second detection line, gas vent, the air inlet with the relief pressure valve is connected, the relief pressure valve respectively with first detection line the second detection line is connected, first detection line the second detection line respectively with the gas vent is connected. The utility model discloses realize first the integration and the instrumentization of gaseous six indexs detection of sulfur hexafluoride, followed six index analysis times and shorten to half a hour from morning till night, avoided simultaneously transporting the gas bomb back laboratory detection, realized in real time analysis on the spot.