The basic conditions for making a hand model are: the fingers are long and straight, with a sense of bone or flesh, the palms should not be wide and scarred, the joints of the hands should not be too big, the hair should not be too obvious, the lines of the hands should be beautiful, and the age should be between 16 and 45. In addition to the requirements of hands, the model's shape should be better. In addition to the above basic conditions, there are two main types of male hand models according to the market demand-a, business type: white skin, the feeling of scientific research personnel; B, big man type: the skin is white, and the hands are generally big and powerful. Hand models mainly express products through fingers and wrists. The opponent's requirements are slender, bony and beautiful hands.