From the perspective of ancient geomantic omen, the scale is a measuring tool and a tool for people to make a living. Therefore, it is generally the financial position, that is, the position of the doctor of heaven today, and some people hang it on the wall.
The weight of old objects and weights are tools for weighing with wooden pole scales. Wooden scales are also widely used in rural areas of China. Weight has a long history of development. In the past, small shops or merchants in rural areas used to sell goods with ordinary wooden pole scales, and later there were balance scales.