The Book of Changes was a classic work in ancient China, which contained rich cultural and philosophical thoughts. The value of the Book of Changes was determined by its historical and cultural value, but it was also affected by the needs of readers and market competition. If the Book of Changes was well preserved and had a certain historical value, it might be considered a very valuable collectible. According to the market value, the value of the old book of the Book of Changes might fluctuate greatly within 100 years. However, considering its historical and cultural value, it may be regarded as a valuable book for a long time.