The whole body of this bottle is painted with curlicule pattern with delicate and elegant decoration, reflecting yongzheng emperor's innovative style and excelsior quality. Emperor yongzheng was personally responsible for the production of royal potteries from the design and shape to the pattern. With the help of tang ying, the director of ceramics, the traditional style was integrated with novel elements. All the porcelain was exquisite, and the firing technology reached the highest level in history.