After 1927, Zhu Ziqing has been searching for and creating an ideal world in the depths of his soul-the world of dreams, which is used to place his "rather restless" boxing heart, resist external interference, make himself "independent" in claustrophobic study, and achieve his academic achievements. Spring describes and eulogizes a lush spring, but it is a vivid portrayal of Zhu Ziqing's inner world.