Toona sinensis, alias Toona sinensis, Toona sinensis, Toona sinensis, Toona sinensis, Toona sinensis, Toona sinensis bud, etc. It is a perennial deciduous tree that feeds on the tender stems and leaves of Meliaceae plants. The tender buds of Toona sinensis are crisp, tender and juicy, with delicious color and unique rich aroma; Toona sinensis has extremely high nutritional value and economic value. Every100g of fresh Toona sinensis bud contains 5.7-9.8g of protein, 0.4g of fat, 2.5g of crude fiber, 2.5g of sugar, 0.4g of ash/kloc-0, 0.93-/kloc-0.36g of carotene, 0.7g of nicotinic acid, 56mg of vitamin C and phosphorus. In addition, it also contains 0.5% ~ 1% sesame oil. This shows that Toona sinensis is a multi-purpose plant. Its bark, root bark and seeds are all top-grade medicinal materials. Toona sinensis originated in China, and China is the only country that uses Toona sinensis as a vegetable. Toona sinensis was eaten by our ancestors as early as the Han Dynasty and was once a tribute like litchi. At present, it is cultivated in southern Liaoning, north China to the southeast and southwest, and Hebei, Shandong, Henan and Anhui have more output.