Portable gas multipoint sampling device for logging

The utility model relates to the technical field of gas collection, in particular to a portable gas multipoint sampling device for logging, which comprises a device body and a handheld controller, wherein the device body is of a hollow disc structure, an annular plate is fixedly installed at the circular position in the device body, the annular plate is of a circular ring structure, and a plurality of partition plates are fixedly installed between the annular plate and the inner wall of the device body and divide the space between the annular plate and the inner wall of the device body into aplurality of storage cavities with the same size; a hollow air conveying disc is rotationally installed on the inner side of the annular plate, an air guide channel is formed in the air conveying disc, and a plurality of air inlet through holes are evenly formed in the annular plate. The portable gas analyzer is convenient to collect and carry, and the gas of each sampling point is independently stored, so that the accura