Portable liquid chromatograph and use method thereof

The invention discloses a portable liquid chromatograph and a use method thereof, and relates to the technical field of liquid chromatographs. According to the portable liquid chromatograph and the using method thereof, the portable liquid chromatograph comprises a machine shell and a detection assembly installed in the machine shell and used for detecting and analyzing a sample, a carrying assembly used for switching the working state of the machine shell and an adjusting assembly used for switching the occupied space amount of the machine shell are installed in the machine shell, and the carrying assembly comprises a threaded rod, the threaded rod is arranged in the machine shell in a penetrating mode and used for switching the working state of the machine shell, and a supporting plate is arranged on the threaded rod in a threaded penetrating mode. The problem that the liquid chromatograph is inconvenient to go upstairs and downstairs when being moved by using moving wheels in the transferring process is so