The utility model relates to a board -like hydraulic support of general -purpose, including the base, raise, even board, slot, tail boom, insert post, back timber, hydraulic prop, front -axle beam, outrigger, hydraulic control valve subassembly, valves support, pass a bridge, lift end device and pusher jack, the hydraulic prop sets up four, symmetrical arrangement between back timber and base, the upper end of hydraulic prop and top beam connected, the lower extreme is connected with the base, it is articulated with the back timber to insert the post upper end, and the lower extreme is connected with slot sliding fit, slot lower extreme and base rigid coupling, the back timber front end is equipped with front -axle beam and outrigger in proper order, the back timber rear end articulates the tail boom in proper order and links the board, links the board bottom and raise to put up to articulate, pusher jack is articulated with base and scraper conveyor respectively, the hydraulic control valve unit mount is crossed on bridge connection and is lifted end device on the valves support bracket, and the upper and lower movement track of the set cap is the item straight line, but the modularized design, the seriation standardization production integrates the assembly, simple process, and the dough stability is good, and safe and reliable has extensive practicality.