As follows:

1, prepare a piece of paper and two colored pens as shown in the picture.

2, first use the brown pen to draw two sets of ovals together on the paper, indicating the pattern in the middle of the mooncake, as shown in the picture.

3. Outside the two ovals, draw another oval made up of curved lines to represent the outline of the surface of the mooncake, as shown in the picture.

4. At each end of each arc, draw a line leading to the center oval to represent the pattern, as shown.

5. From the ends of each arc, draw another vertical line down to indicate the pattern on the side of the mooncake, as shown.

6. Connect each vertical line with an arc to represent the bottom of the mooncake, as shown.

7, finally, use orange color to paint all the mooncakes in orange, the mooncake is finished painting, as shown in the picture.