There are many controversial debates in the study of the similarities and differences between Shang and Chou cultures. From the view point of comparisons between Shang and Chou bronze culture, there are great changes emerged on the decorative patterns and styles, nature of inscriptions, variety of bronze vessels and designations for the ancestors. Those changes not only offer the powerful evidences to translate the differences of Shang and Chou cultures but also reflect an apparent divetsity in the religious beliefs, burial practices, ritual institutions, ideas of history and the concepts of ancestral worship between Shang and Chou dynasties.