Inner painting is a unique art form in my country, and Zibo Inner Painting is well-known throughout the country. Artists use special brushes to paint in reverse in a bottle as small as a bean. When painting, they collect their qi in the dantian and exert their strength on their wrists. The fine details are beyond the reach of the eyes, so they are praised as unique and magnificent art treasures with great collection value. Inner painting works are divided into three grades: high, medium and low. The materials include natural crystal, glass, artificial crystal, etc., and the shapes have developed from traditional arc shapes to more than 50 shapes such as polygons, spheres, screens, and special-shaped crystals. The works created by Zibo Inner Painting Artists, such as "Water Margin 108 Generals", "Hundred Tigers", "Hundred Horses", "Along the River During the Qingming Festival", and "Twelve Golden Hairpins", are all wonderful in describing people and objects. Among them, "Water Margin 108 Generals" are on the surface of a four-inch pot, with water and land crisscrossed, camps connected, sitting, riding, standing or walking, with clear eyebrows and realistic expressions, which is amazing. Some of the inner paintings were presented as state gifts by state leaders to foreign dignitaries and friendly people, and some have been collected by the China National Museum of Arts and Crafts, the Linden Museum and Zhuqiao Book Garden in Germany, the Yiding Gallery in Austria, and former US President Carter, former West German President Weizsäcker, and Thai Princess Sirindhorn. In art exhibitions held in the United States, Germany, Austria, Thailand, Canada, Sweden and other countries, inner paintings have been praised as "the pearls of the world's fine art today" and enjoy a high reputation internationally.