One hundred upper limbs of Chinese children of about ten years old weredissected for the study of their arterial branches forming the superficialvolar arch.The arches were divided into four types:1)radial arterial type,2)radial-ulnar arterial type,3)median-ulnar arterial type and 4)archlesstype.The first type has the highest percentage of 46%,the second one comesnext with 34%.The archless cases occupy 19%,and only in 1% was thearch formed by branches of the median and ulnar arteries.