Has China's nine-square grid digital rule been successfully applied for? The answer is revealed! The nine-square grid number rule in ancient China, which originated from the crystallization of wisdom from thousands of years ago, has always attracted the love and exploration of countless people. Recently, we conducted a detailed investigation and discussion on whether it successfully applied for the "Representative List of the Intangible Cultural Heritage of Humanity". Below, we will uncover the answer to this question step by step, and provide relevant strategies and suggestions, hoping to help you go deeper...