Novel liftable building construction warning board easy to transport

The utility model provides a novel liftable easy-to-transport building construction warning board, which comprises a portable base, an adjusting mechanism and a warning board, the adjusting mechanism is detachably arranged on the portable base, and the warning board is detachably arranged at the upper end of the adjusting mechanism. The portable warning board is simple in structure, and the portable base, the adjusting mechanism and the warning board are detachably connected, so that the portable warning board is convenient to carry and transport, rapid to disassemble and assemble, more convenient to move for the second time and beneficial to the requirement of cyclic operation; the height of the warning board can be adjusted through the lifting sleeve and the lifting inner rod, so that the requirement for flexibly changing the warning height in constructional engineering construction and on-site outdoor operation is met, and adjustment is convenient through mutual matching of the clamping groove and the lock