The invention relates to a gun embroidering carpet needle end wool end processing method, which comprises: the gun barrel of the gun embroidering carpet machine is driven by a servo motor through a linkage mechanism; the thread supplying motion is performed by the servo motor; the knitting wool is ejaculated from the gun barrel by air-flow and planted on the base cloth; after the last needle of one pattern is ejaculated out, the gun barrel is moved to the starting point of the next pattern to work; while finishing the last needle of one pattern, the servo motor is made to rotate in reverse direction, thus, the standby knitting wool for the next needle is returned by the reverse motion of the roller. The method in the invention can remove the thread segment leaved on the last needle of thelast pattern in pattern shifting.