The utility model discloses a throw formula black box search location beacon, including hydrophone, wire, floater, throw a section of thick bamboo, the hole that permeates water, quick water -soluble filler, receiving and dispatching antenna, connecting wire and parachute constitution, hydrophone, wire and floater place throwing in the section of thick bamboo of hole in to through quick water -soluble filler with to throw a section of thick bamboo closely fixed, wherein, the hydrophone with connect with certain watertight mode through the wire between the floater, the top at the floater is installed with certain watertight mode to the receiving and dispatching antenna, the parachute passes through the connecting wire is fixed to the floater, when throwing automatic expansion of parachute. The utility model overcomes current black box search area is little, the shortcoming of search inefficiency, realized can be in appointed search sea area on a large scale cloth put to change the problem of black box subsea beacon signal search into radio signal's search problem, realized more harmoniously the black box on a large scale, the high efficiency problem of searching for.