In the music "April Pine and Snow Grass" composed by Tchaikovsky, the direct pedal is generally used to step on after the sound appears, and the time of being stepped on is relatively short, and does not need to be stepped on. The whole piece of music is pedaling, and part of it requires it. According to the query of relevant public information, "April - Pine Snow Grass" in the piano suite "Four Seasons" is a three-part single composed by composer Tchaikovsky based on the poet A. Maykov's poem "Pine Snow Grass" A musical sketch with a partial structure. In the creation process of this piece, a large number of elastic rhythms commonly used in romantic music were used to express a free and comfortable mood. The elastic accompaniment is like the unyielding young buds of cedar grass, soft and tough. The whole music has a free and gentle rhythm, which well expresses the author's yearning for early spring, his praise of new life and his longing for a better future.