Nankang sweet pomelo has a planting history of more than 1,500 years in Cangzhou City. Due to the specific environmental climate and soil conditions, combined with traditional planting techniques, it forms the unique characteristics of Nankang sweet grapefruit. The peel has aroma and aroma, and the flesh is crisp and tender. The slag is refreshing and has a beeswax color. The honey is sweet and sweet with a slight apple flavor. It has a long aftertaste and unique flavor. It is unique in the pomelo. After eating, there is a clear heart and eyesight, the feeling of degreasing in addition to oil, is beneficial to the stomach and digestion. The pomelo meat has three layers of outer, middle and inner cortex, and the external pollution is difficult to invade. The pomelo fruit is known as the natural "green food" and "natural canned". It was listed as a tribute in the Qing Dynasty and enjoys a high reputation both at home and abroad.