Ask for food: Ask your mother for food. The scientific name is "selling chicory", or "Patrinia" and "selling vegetables and bitter vegetables" (South China). Wild, its root juice is bitter and has good hypoglycemic and hypolipidemic effects. Northeast China eats mostly dipping sauce; In northwest China, people eat steamed stuffed buns, jiaozi, mixed noodles or processed sauerkraut. Most foods eaten in northern China are cold salad and steamed noodles. Chicory is mainly distributed in northwest, north and northeast China, and it is wild in barren hills, slopes, beaches and roadsides. In recent years, people have paid more and more attention to the health care function of Sophora alopecuroides, and artificial cultivation has been started in all parts of Shandong Province. Moreover, because of its salt tolerance, Sonchus oleraceus has been cultivated on a large scale in coastal and inland saline-alkali areas. Its overwintering cultivation can be listed in the off-season of spring festival and early spring vegetables, and its commodity value is high.