Glassware is a vessel made of glass. Glass art has maintained a history of development for thousands of years in China. During the Wanli Period of the Ming Dynasty, the production of materials in Shandong Boshan was very prosperous. It was introduced to Beijing in the late Ming and early Qing dynasties. In the early Qing Dynasty, during the Kangxi, Yongzheng and Qianlong periods, the production of glass was once revived. In the thirty-five years of Qing Emperor Kangxi, Beijing appeared The scale of the "glazed factory", the production of the material enjoyed by the palace. During this period, the variety of glassware was varied, and the shape and decoration were also changed. Among them, bottles, bowls, snuff bottles, birds and beasts made of jade, jade, agate, coral, etc., are vivid in color and have a unique style and charm. On October 27, 2017, the World Health Organization's International Agency for Research on Cancer published a preliminary list of carcinogens, art glass, glass containers and pressed utensils (manufactured) in the list of Class 2A carcinogens.