Sliding type bottom lifting mechanism and hydraulic support for thin coal seam

The invention provides a sliding type bottom lifting mechanism and a hydraulic support for a thin coal seam, the sliding type bottom lifting mechanism comprises a push rod, a base and a bottom lifting assembly, the base comprises a main body, a left part and a right part, the left part and the right part are oppositely arranged, and the push rod is located between the left part and the right part; a limiting guide groove is formed in one side, facing the push rod, of the left part and/or the right part; the bottom lifting assembly comprises a driving part capable of stretching out and drawing back, one end of the driving part is in sliding fit with the base through a limiting guide groove, and the other end of the driving part is connected with the main body through a lifting limiting assembly; and the driving piece is started and abuts against the push rod, so that the driving piece can be pushed to move up and down relative to the main body through the lifting limiting assembly and pull the base to move up