Winter jasmine, also known as golden plum, golden belt and small yellow flower, is a deciduous shrub of Meliaceae. Named after its earliest flowering among flowers, it will usher in the spring when all flowers bloom. It is also called "four friends in the snow" with plum blossom, narcissus and camellia, with golden color and green leaves. It should be arranged at lakeside, stream bank, bridge head, corner or lawn, forest edge and slope. It can also be planted around the house for flower viewing in early spring. Flowers, leaves and shoots can be used as medicine. It is one of the precious flowers in China. Extraordinary temperament, with the characteristics of not being afraid of cold, reckless and adaptable, has always been loved by people.