Hangjiahu plain is famous for silk and silkworm breeding is the main industry in this area. Wuzhen is located in the hinterland of Hangjiahu plain, and sericulture accounts for a large proportion. The quality of silkworm is directly related to the income of the peasants and the life quality. For important things, people will always set up some taboos, and many habits will also change around it, even entertainment may not be separated from it. Over time, a series of silkworm customs were formed in Wuzhen.