The utility model discloses an all -weather continuous automatic detector of liquid level volatile gaseous, including kickboard and the gaseous room of gathering of lower part open -ended, gaseous upper portion cooperation of gathering the room has the sealed lid in the room of collection, gather the sealed lid in room including the upper cover plate, locating plate and connection are at the upper cover plate down, pressure bladder between the lower locating plate, it is provided with the exhaust tube to gather sealed the covering in room, ventilate chamber and gas tube, hoisting support includes the base, hoisting arm, hoisting rope and lifting motor, liquid level volatile gaseous detector is still including symmetrical two structures of clearing out a gathering place that set up, clear out a gathering place a motor device and an intelligent control device, intelligent control device includes the controller, the function of the two is connected and controls respectively to the controller with lifting motor and adjustment motor. The utility model has the advantages of the gaseous room inside and outside pressure of collection is balanced, detect the precision high, can clean examined the surface of water, intelligent degree high, can realize all -weather automated inspection in succession.