A nondestructive inspection of a Mangosteen, Fruit, inside is an essential way for a fruit grading. In this paper, we proposed a nondestructive 2D cross-sectional visualization of Mangosteen using infrared and a method for grading a Mangosteen. The infrared was selected because there is no effect against taste and consumer health. By experiments, the infrared in the frequency range of 850 and 1...