The meat used in Xinjiang mutton skewers is mutton, which is unique to Xinjiang. Sheep in the mainland are generally goats, and there are very few sheep in the mainland. Goats are thin and taste different from sheep, so they taste different. Xinjiang roast mutton uses red willow. This kind of wood is only available in Xinjiang, but it is rare in the mainland, so the wood used for roasting mutton is different.