After spreading to Tubo, Buddhism had suffered a great setback in its developing process. In this case, Qinghai had become an important source of development of Buddhism in Houhong period in Tibet, which finally formed Tibetan Buddhism with strong Tibet culture characteristics. After its formation, Tibetan Buddhism started the transmission. Because of the adjoining area as well as historical origin with Tibet, Tibetan Buddhism had formed Two temple crowded distribution areas in the center of Yushu and Hualong in Qinghai in Song Dynasty.
