Lateral arm flap has been frequently employed by surgeons all over the globe to shape small and medium-sized organizational flaws in the head, neck, arm and leg, especially in reconstruct oral cavity after rejection, with success rates ranging from 95.2 to 100%. In Vietnam, the lateral arm flap is utilized to shape soft tissue deformities of the wrist, head, and neck, in which 17 cases of tongue reconstruction after tumor resection.