Thread hooking device of sewing machine

The invention discloses a thread hooking device of a sewing machine. The thread hooking device comprises a sewing needle and a shuttle mechanism. The shuttle mechanism is convenient to use on the left-hand side and is horizontally bent leftwards. The thread hooking device is applicable to a left-hand sewing machine, the sewing needle penetrates a needle hole and is matched with the shuttle mechanism, the shuttle mechanism comprises a shuttle base, the middle of the shuttle mechanism is provided with a corner groove, the front end of the shuttle mechanism is provided with a flange, and the inner side of the flange is provided with a shuttle hole, so that weight of the shuttle is reduced and thread hooking is facilitated. Cloth is arranged on the shuttle base, the needle is matched with the shuttle, and sewing of the cloth can be completed jointly. The thread hooking device is fast in sewing, convenient to use, neat and attractive in sewn thread stitches, flat and firm.