The utility model provides a machine head vibration reduction structure of a sewing machine, and belongs to the technical field of sewing machines. The sewing machine solves the problem of how to improve the sewing quality at present. The sewing machine comprises a rack and a machine head, a base is fixed at the bottom of the machine head; the machine head vibration reduction structure comprises aconnecting plate and a vibration reduction unit arranged between the connecting plate and a base. The two connecting plates are located at the two ends of the base in the length direction correspondingly. Wherein the connecting plates are fixedly connected with the rack, each connecting plate is provided with at least two vibration reduction units arranged at intervals, each vibration reduction unit comprises a screw and vibration reduction pads located on the inner side and the outer side of the connecting plate respectively, and the screws sequentially penetrate through the vibration reduction pads located on the outer sides of the connecting plates, the connecting plates and the vibration reduction pads located on the inner sides of the connecting plates and penetrate into the base tobe fixedly connected with the base lock. The machine head vibration reduction structure is arranged between the bottom of the machine head and the rack, the structure is simple, arrangement is reasonable and ingenious, vibration reduction can be effectively provided for the machine head, vibration of the machine head is reduced, and therefore the sewing quality of the sewing machine is greatly improved.