1. Prepare drawing materials: a drawing paper, a pencil and an eraser.

2. Sketch: Draw the overall shape of the grapefruit gently with a pencil, and first draw a big circle as the outline of the grapefruit.

3. Detail description: Based on the outline, start to draw the details of grapefruit, and draw the dermatoglyphics, pulp and leaves at the top of grapefruit.