Abstract:Due to the fact that his lyrics were appreciated by Emperor Hanwudi, SIMA Xiang-ru became the Emperor's favorite minister from a wine sailor. This caused a great stir and SIMA's lyrical style became a fashion at the time. This at last led to the SIMA effects. The people tried to ask him for his works, for the advice to compose lyrics, imitated his work style, or wrote such works in his name. Moreover, the later generations made some comments on his works which had become their models. They positioned him, the emperor got him and historians made biography for him as an essayist, which brought about him as the father of essays which gradually became an independent study. Such effects have led to the identity of his works as the beginning of essays which hence have evolved and developed