This dish is also called rocket lettuce, stinky vegetables, floating vegetables and so on.

Arugula is a millet of Cruciferae, which can grow up to 90 cm in height. Its leaves are round or oval, and its stems and leaves are edible. The taste is refreshing, with sesame aroma, and it is often used to make salads or cold salads. The flowering period of arugula is from May to June every year, and the fruiting period is from July to August every year.

Arugula is native to the Mediterranean coast. It is cultivated in Heilongjiang, Liaoning, Inner Mongolia, Hebei, Shanxi, Shaanxi, Gansu, Qinghai, Xinjiang, Sichuan and Yunnan. Mostly on roadsides, wasteland or hillsides. It likes cold and humid climate, and has low requirements for soil, but it is better to use fertile and loose sandy loam.