Wan Wen Walnut originated in Han and Sui Dynasties, and was popular in Tang and Song Dynasties and Ming and Qing Dynasties. Because of its unique shape, it has medical value and artistic value, and then it has collection value. Walnuts in Wan Wen mainly include walnuts, Juglans mandshurica and walnuts, while Juglans mandshurica also includes walnuts, Juglans mandshurica, Juglans mandshurica (four famous kernels) and walnuts.
Wan Wen Walnut requires deep and clear texture. Two Walnuts have similar texture, the same size and the same weight. Wan Wen walnut turned red after playing with it, and gradually appreciated. Walnuts can also be made into nuclear carvings to improve their ornamental value.
Walnut has been used to rub hands since the Ming Dynasty. At first, it was just an auxiliary tool for court pianists to exercise and keep their fingers flexible. After a long period of kneading, the walnut grain becomes crimson and round, and the patina is as jade as porcelain. It was loved by other imperial concubines, gradually popularized and became one of the instruments for health preservation, and then slowly spread to the people.
Because walnuts have auspicious meanings in folk customs and are easily accepted by ordinary people, more and more people play with walnuts, forming an atmosphere. Zhu Youxiao, the last emperor of the Ming Dynasty, was a carpenter. He also liked to play with walnuts and carve them himself. Therefore, it is said among the people that unofficial history, who plays with walnuts, forgets state affairs.