Ejiao walnut paste, also known as Guyuan paste, began to spread as early as the Tang Dynasty. At that time, people called Ejiao Walnut Cream "Guifei Beauty Cream", which is said to be original by Yang Guifei. Its formula includes Dong 'e Ejiao, walnut, black sesame, yellow wine and crystal sugar. This medicated diet book has recorded many times that regular eating can nourish blood and moisten skin, tonify kidney and blacken hair, and prolong life.