The invention discloses sampling tube detachable type analysis test equipment for a loose deposit structure. A sampling tube with a rectangular cross section comprises a left panel, a rear panel, a right panel and a front panel in an enclosing manner, and the front panel can slide vertically in vertical chutes of the left panel and the right panel; a sampling tube top connecting piece is connectedto the top of the sampling tube, and a tube seal and a rubber band are used for sealing a tube opening of the sampling tube after sampling; the tube seal is further equipped with an opening cooperating with the front panel for vertical sliding and passing; the equipment further comprises a top seal insert piece, a guide pulley, a connecting rod, connecting rod pulleys, a rectangular frame and other parts. The equipment fills up the blank in analysis of refined deposit structures of loose media in physical model experiments for slides in rugged topographical areas, and provides possibility forin-depth exploration of deposit mechanism for the loose media in the physical model experiments. Besides, the test equipment is simple in structure, convenient to assemble and disassemble and high inperformance cost ratio.