Qu Cai is different from Ding Gangmiao. Ququ is a kind of chicory, which originated in Europe or Central Asia and is now almost all over the world. China is distributed in central and southern China, Xinjiang, Tibet and other places, and mostly grows in hillside grassland, forest grassland, wetland or near water zone. Sonchus sonchifolius has strong adaptability, likes cold and cold, likes wet and waterlogging, is cold-resistant and heat-resistant, and has low requirements for soil, but it grows well in loam with loose soil and strong water and fertility conservation. Ding Gangmiao, another name of dandelion, is a yellow flower, which is bright, open and eye-catching everywhere on the roadside, fields, forests, gullies and hillsides against the background of green leaves.