The skin of a dragon fruit is rotten and not rotten enough to eat. Dragon fruit is a tropical fruit, it is best to buy it now and eat it. At a low temperature of 5℃-9℃, freshly picked dragon fruit can be kept for more than a month without squeezing or collision. At room temperature of 25℃-30℃, the shelf life can be more than 2 weeks. Preservation method:Room temperature storage:Store dragon fruit directly indoors in a cool place away from light. Since the skin of dragon fruit is thick and has a layer of wax on the surface, it can be kept at room temperature below 30 degrees for 1-2 weeks. Refrigerate:Keep dragon fruit refrigerated. The temperature of the refrigerator should be controlled between 3-6 degrees Celsius and the relative humidity between 75%-90%, which can keep dragon fruit for more than a month. Cut dragon fruit preservation method:If the dragon fruit is already cut, then the exposed part of the dragon fruit needs to be completely wrapped in plastic wrap first. If the room temperature is below 25 degrees Celsius, it can be placed outside, but it is recommended to consume it within 8 hours to avoid harboring bacteria. If overnight storage is required, dragon fruits should be kept in the refrigerator. It is generally recommended not to keep sliced dragon fruit for more than 2 days.