Toon, alias toon sweet tree, toon sun tree, toon vegetable tree, red toon, pig toon, toon buds, etc., the scientific name ToonasinensisRoem, for the neem family (Meliaceae) neem genus in the young stems and leaves for food in the cultivars, perennial deciduous trees. Toon tender shoots crisp and juicy, color and luster, with a unique rich aroma; toon nutritional value and economic value are extremely high, per 100 grams of fresh toon shoots containing protein 5.7 ~ 9.8 grams, 0.4 grams of fat, 2.5 grams of crude fiber, 2.5 grams of sugar, 1.4 grams of ash, 0.93 ~ 1.36 grams of carotene, 0.7 grams of nicotinic acid, vitamin C56 milligrams, calcium 110 to 143 mg, phosphorus 120 to 135 mg, iron 4.3 to 34 mg, potassium 54 mg, zinc 5.7 mg, magnesium 32.1 mg, chlorine 45 mg. Toon seed oil content of 32.2% to 38.5%, toon white skin containing neem, steric acid, tannin. In addition, it also contains flavor oil 0.5% to 1%. This shows that Tsubaki is a multi-purpose plant. Its bark, root bark and seeds are all superior medicinal herbs. Toon is native to China, which is the only country that uses it as a vegetable. Toon has been eaten by our ancestors as early as the Han Dynasty, and was once used as a tribute, as was lychee. Now southern Liaoning, North China to Southeast and Southwest are cultivated throughout, Hebei, Shandong, Henan, Anhui produce more.