Recognition: "Da Ming Wanli Year System". The bottle has a round mouth, short neck, deep abdomen, and lying feet. The bottle body is painted with blue patterns and divided into five layers with double loops. There is no pattern on the neck, two layers of the shoulders are painted with flower patterns, the two layers of the abdomen are painted with seaweed and fish patterns, and the near feet are painted with sea animals and seaweed patterns. The glaze is moisturizing and bright, the pen and ink is delicate, and it has a sense of depth and intensity.