1. Distinguish from the category. Bitter gourd belongs to vegetables, while Lai grapes is a fruit.

2, from the appearance of color. Lai grapes like a big carrot, ripe skin is orange, edible parts are wrapped in the red seed coat, the seeds are dark yellow, slightly black with small spots. The seeds are dark yellow with small black spots, while the unripe ones are greenish in color and have a sour skin. When a bitter melon matures, the shell turns yellow and the seed kernel red.

3, from the eating method to distinguish. Bitter melon taste bitter, is a vegetable, can be cold or cooked. Lai grapes is a fruit, can be eaten directly. When ripe, the flesh is red, sweet, rich in vitamins A and C.

4, from the edible time to distinguish. Bitter melon can be eaten as long as the fruit, while Lai grapes must be ripe to eat.