External sensory characteristics: seedless white grapes: oval fruit, thin peel, greenish yellow, seedless and seedless, sweet and sour; red earth grapes: fruit nearly round, large, sweet, crisp The peel is medium-thick, bright red, not easy to thresh, suitable for fresh food and resistant to storage. 2. Unique internal ingredients: sugar content is 18-24%, acid content is about 0.4%, both can be eaten fresh and can be dried, the drying rate is 20-30%.Red Earth is particularly resistant to storage and transportation, the fruit is not easy to fall off, and it is not prone to cracking and crushing, which provides favorable conditions for long-distance transportation of grapes.