The function of Lycium barbarum is to nourish yin, enrich blood and benefit eyes; The function of mutton is to tonify deficiency and dispel cold, warm qi and blood, and help yang and essence. The combination of the two, on the one hand, takes the nourishing yin function of Lycium barbarum, which conforms to the concept of "nourishing yin in autumn and winter"; On the other hand, mutton can not only dispel the cold and warm the stomach, strengthen the spleen and tonify the kidney, but also help yang to grow hair, which is in line with the season of "yang rising" from winter to Sunday, giving consideration to both yin and yang, and is naturally beneficial to human body.