The moon is the main body of his whole poem, closely following the spring, river, flowers and moon under the moon, and it is the bond of life in the poem and dominates the whole poem; Its language is beautiful and its rhythm is harmonious; Thinking about the philosophy of life, exploring the mysteries of the universe, missing the lower reaches of the moon, and a pure emotion are all integrated into the wonderful scenery of the Chunjiang River. The whole poem consists of * * * 36 sentences, with a change of rhyme every four sentences, which integrates poetry, artistic conception and philosophy. The artistic conception is ethereal and beautiful, the imagination is strange, the language is natural and meaningful, and the rhythm is melodious. It washes away the thick fat and greasy powder in the palace of the Six Dynasties and has high aesthetic value. It is known as a lonely poem covering the whole Tang Dynasty.