Introduction to the five-tube vase from the Longquan kiln of the Northern Song Dynasty: The glaze color is light green and the body color is gray-white. With lotus and lotus as the main decorative content, it uses carving, stacking and other decorative techniques to make it exquisitely made and vividly decorated. The five-tube bottle, commonly known as the five-end pot, belongs to the underworld and is a typical Longquan kiln vessel. It is often combined with the pan-mouth long-neck bottle to form a funerary combination.