The assembly is an important religious activity of Tibetan Buddhism and it was founded in memory of Sakyamuni, the founder of Buddhism, during the period of Emperor Yong Le in Ming Dynasty. It was held from the third to the twenty-fourth day of the first Tibetan month. The assembly features in grand scale and rich contents. There are mainly 5 parts in the assembly: 1. Buddhist scriptures debating 2. Alms delivery 3. Butter lantern fest 4. Greeting Maitreya Buddha 5. Sports performance