The major of piano coach nowadays has a large market demand and is promising in China, and should be attached great importance. However, many music learners in China believe that the students of the piano studies major are sufficiently competent in the work of piano coach, and they often confuse piano coach with piano accompaniment. Although the two majors both require deep understanding of music and good performance skills, they are different in many aspects. The piano coach requires practitioners to have rigorous logic, rich content, corresponding mastery and understanding of the universal law of art and other qualities.