There are many varieties of Malan, including 3 varieties and 3 varieties. When you shovel seeds in the field, you should collect plants with short reddish roots, creeping growth, dark green leaves, obovate oblong or oblanceolate leaves, and dentate or pinnately lobed leaves. Only by breeding varieties with good reproduction, fast growth, wide adaptability, easy cultivation, strong stress resistance, environmental protection (no need to control pests and diseases) and delicious fragrance can we ensure the high quality, high yield and good benefit of Malantou. This is one of the key technical links to grow a good Malan.