Qin, chess, books and paintings are called the four major interests by the ancients, and they are also the main forms and methods of entertainment and health preservation. Qin is an ancient stringed instrument with national characteristics in China. Because it is often played with the harp, it is often called the harp and the harp. The Book of Rites says, "Poetry expresses ambition, sings its voice and dances its capacity. The three are rooted in the heart, and then the musical instruments follow, so they are deeply civilized, while the gods and gods are integrated, and English and Chinese are integrated. " Health music can express emotions, regulate emotions, reconcile blood vessels, nourish five internal organs and exercise.

There are many kinds of chess in China, such as Go, Chess and Military Chess. When playing chess, the spirit is single-minded, the intention is to keep the game right, all other thoughts are gone, and the expression is relaxed. The ancients said, "Those who are good at playing games live long." Playing chess can nourish intelligence and make body and mind comfortable.

In calligraphy and painting, book refers to calligraphy, and painting refers to painting. There are two aspects of calligraphy and painting for health preservation and treatment. One is to learn painting, and the other is to appreciate calligraphy and painting. Learning calligraphy and painting refers to doing it yourself, or practicing calligraphy or painting, which integrates learning, fitness and art appreciation. Appreciation of calligraphy and painting refers to the appreciation of artistic treasures such as ancient and modern famous calligraphy and painting tablets, so as to achieve the purpose of health and fitness in the enjoyment of artistic beauty.