There are many aesthetic theories influenced by Wittgenstein, but what we are talking about here is Wittgenstein's theory of "beauty" and "aesthetics". In Wittgenstein's view, this is a broad but completely misunderstood topic area. We will examine his response to this series of questions: how should the concept of "beauty" be understood? Is the so-called "aesthetics" the study of "beauty"? Is it a science of "beauty"? Should aesthetics be regarded as a branch of psychology? How should we understand the so-called "judgment" and "appreciation" in the aesthetic field? Is aesthetic judgment just an expression of likes and dislikes? Or, even in the appreciation of art, are there also right and wrong? Is taste learnable? If we were to explain the aesthetic experience, what kind of explanation would it be? ...