In the Qing Dynasty, the commodity economy was prosperous and trade was developed, and a large number of valuables needed to be weighed, so the carving of boy scales was used more in the Qing Dynasty.

Carving a boy's weight is a measuring instrument in Qing dynasty, which is mainly used to weigh some precious gold, silver, jewelry, Chinese herbal medicine and so on. The weight is grams, thallium is brass and copper. There are bones, ivory, horns, ebony and so on. The best is ivory, which is also of high value.