1, "Milk Bottle Drawing": draw a cylinder with a curved line at the top to indicate the mouth of the bottle, and an inclined circle at the bottom to indicate the bottom of the bottle. The body of the bottle plus fine lines to increase the sense of realism.

2. Milk Liquid Drawing: Draw lines inside the bottle to show the texture of milk. The light color gradient shows the transparent luster, and the bottom of the bottle adds shadows in a three-dimensional way.

3, "Milk Pouring Effect": draw curves to show the flow of milk, add foam effect to enhance the dynamics. Under the bottle painting splash milk.