Does the questioner want to ask "Is a moldy piece of Boyang No. 9 melon edible?" Can't. A piece of moldy Boyang No. 9 melon proves that it has gone bad. You cannot eat spoiled food. Deteriorated food contains various germs and can easily cause diseases if eaten. Boyang 9 is a thin-skinned melon variety applied by Tianjin Deruit Seed Co., Ltd. It has suitable sugar content, crisp texture, fragrant flavor, thick pulp, well-proportioned fruit shape, clear and novel peel stripes, excellent fruit setting, high and stable yields. Good sexual characteristics.