The beauty of landscape would be dry and insipid without the nutrition of cloud and mist. The beauty of Chinese traditional landscape painting is so charming and colorful because of the cloud and mist intertwined among mountains and rivers. Among the many techniques of Chinese traditional landscape painting，the technique of painting cloud and mist is an especially important composing part besides those of painting trees，stones，water and minor views. Generation after generation Chinese traditional landscape painters understand mostly the importance of cloud and mist to landscape，expressed in paintings they all attached great importance to dealing with cloud and mist，and tried their best to exercise cloud and mist intertwined among mountains and rivers to the acme of perfection. Therefore，taking the technical exercise and layout processing of cloud and mist in Chinese traditional landscape painting as the cut-in point，we can effectively review and interpret the aesthetic connotation and artistic purport behind the “vivid temperament and charm” and “cloud and mist’s nutrition” of Chinese traditional landscape painting.