This paper probes into the multiple influences of religious philosophy on the interpretation of European piano performance, from the aspects of aesthetic concept, emotional expression, playing technique and spiritual dimension. As the core field of human inner world and meaning exploration, religious philosophy has had a profound influence on music art. The introduction explains the background of the study and Outlines the close connection between religious philosophy and music. The first part discusses in detail the influence of religious philosophy on the aesthetic concept of European piano performance. By analyzing the theoretical viewpoints of many scholars, we reveal how religious philosophy has shaped the aesthetic view of music and endowed music with deeper emotional connotation. This section illustrates the in-depth argument through the key words "religious philosophy", "musical aesthetics", "cultural influence" and "human existence". The second part focuses on the transmission of religious feelings in European piano performance. The key words "religious emotion", "musical expression", "performance technique" and "emotional transmission" express the emphasis of this part. Through the selection of musical works rich in religious themes, we analyze in detail how the performers convey the profound connotation of religious feelings through technique and emotion. These expressions not only convey emotion in music, but also become an intuitive interpretation of religious thought. The third part deeply studies the influence of religious philosophy on European piano playing technique. The key words "creative inspiration", "playing technique", "elements of religious philosophy" and "music creation" reveal the theme of this section. Through the creative inspiration of the performers, we examine in detail how the philosophy of religion influences the creative use of the performers' technique, and integrate the connotation of religious philosophy into the musical expression in a unique way. Part IV focuses on the connection between the spiritual dimension of music and the philosophy of religion. Using the key words "spiritual experience", "musical atmosphere", "religious ritual" and "introspection", we analyze how music creates an experience that transcends the material world in performance, triggering deep introspection and reflection in the audience. The atmosphere created by the performance sometimes resembles that of a religious ceremony, conveying a transcendent spiritual experience. From the foregoing, we conclude that religious philosophy has exerted a profound influence on the interpretation of piano performance in Europe. This research helps to deepen the understanding of the intermingling of music and religious philosophy, and provides a new perspective for the interpretation of piano performance. Future research could further explore the influence of different religious backgrounds on music performance, as well as the application of religious philosophy to other musical forms.