First-aid nursing bed

The utility model relates to a first-aid nursing bed which comprises a bed board, a headboard is arranged at the front end of the bed board, fences are arranged on two sides of the bed board, and a sliding rail is arranged on the lower end face of the bed board. Two sliding blocks are arranged on the sliding rails, bearings are arranged at the front end and the rear end of the bed board, the axesof the bearings coincide, a threaded rod is arranged between the bearings, and a rotating wheel is arranged at one end of the threaded rod. Wherein the threaded rod is rotatably connected with the bedboard through a bearing, two sections of threads which are opposite in rotating direction and equal in thread pitch are symmetrically arranged on the threaded rod and are in threaded connection withthe two sliding blocks respectively, supporting rods are arranged on the sliding blocks, the upper ends of the supporting rods are hinged to the sliding blocks, and universal wheels with a locking function are arranged at the l