The invention discloses a detachable yarn barrel for textile machinery. The detachable yarn barrel includes a base, a yarn barrel body and a receiving box, a first supporting seat is slidably arrangedon one side of the top end face of the base, a second supporting seat is welded to the side, on the top end face of the base, facing the first supporting seat, a first connecting shaft is rotatably connected to the top of the end face, opposite to the second supporting seat, of the first supporting seat, an electric telescopic column is arranged on the first connecting shaft, a first extension shaft is inserted into the end, away from the first supporting seat, of the first connecting shaft, the first extension shaft is internally provided with a clamping groove used in coordination with theelectric telescopic column, the first extension shaft is connected with the yarn barrel body, and a second extension shaft is connected with the side, away from the first extension shaft, of the yarnbarrel body. According to the detachable yarn barrel for textile machinery, disassembling of the yarn barrel is convenient, movement of the yarn barrel is convenient, and wide use and promotion can beachieved.