The utility model provides a portable flux case suitable for research of lake storehouse greenhouse gases, includes the skeleton, the base and the frame connection of skeleton lower part, and the skeleton overcoat is equipped with the seal cover bag, skeleton upper portion is equipped with the fixed plate, and the battery is installed on the fixed plate, still is equipped with temperature sensor and baroceptor on the fixed plate, be provided with the fan in the skeleton, the fan cable passes through the cable passage, passes the seal cover bag and is connected with the battery, be fixed with cyclic annular buckle respectively at base both sides symmetric position, the flotation pontoon is connected with the base through cyclic annular buckle. The utility model provides a portable flux case suitable for research of lake storehouse greenhouse gases, the composite structure of adoption utilizes the billet to make the skeleton, match with inner ring retainer plate etc. The equipment, dismantles conveniently, and sensors such as temperature, pressure are installed in the transportation of being convenient for, can accurately gather a plurality of data such as gaseous temperature, pressure, are favorable to the research to greenhouse gases.