製作嚴謹,成型技術要求頗高,難度不遜於方器的製作,瓶身印模成型後粘合。畫工繁縟精美,青花線條清晰,層次豐富。點青法上色,仿永宣蘇麻離青結晶斑之效,層次宛然。底書「大清乾隆年制」六字三行青花篆書款。 The production is rigorous, the molding technology request is quite high, the difficulty is not inferior to the square implement manufacture, the bottle body printing mold after the formation adhesion. The painting works are elaborate, with clear blue and white lines and rich layers. Point green method to color, imitate the effect of yongxuansu hemp from the green crystal spot, the layers are like. The end of the book, "the reign of emperor qianlong of the qing dynasty", six characters, three lines, qinghua seal characters.