Yin-Yang philosophy uses the two symbols of yin and yang to represent the two relative situations in the universe, and furthermore, Wuji generates Tai Chi, Tai Chi generates two rituals, two rituals generate four images, four images generate Bagua, and Bagua Liangliang. There are sixty-four hexagrams for Xiang Zhong, etc. All existence and movement in the universe can be understood and explained using the sixty-four hexagrams. Yin-Yang philosophy is a three-dimensional philosophy: Yin, Yin-Yang (Yin-Yang is the process of transition from Yin to Yang), and Yang. The three are relative, there is yang within yin, and there is yin within yang. Traditional Chinese medicine, divination, and Feng Shui are the specific applications of Yin and Yang philosophy in life. The invention of computers has prepared us for the information age. The formation of the Internet has announced the advent of the information age. Its basic and core thing is the binary system - Yin and Yang philosophy. The Yi Jing and the Tao Te Ching are the sources of Yin and Yang philosophy. Yin-Yang Dialectical Logic Yin-Yang Dialectical Logic is an organic integration of "Yin-Yang Dialectics" and "Dialectical Logic" because its content and form perfectly unify the two. What kind of nature does this philosophy belong to? "Yin and Yang" is its own nature, which belongs to neither idealist dialectics nor materialist dialectics. Idealistic dialectics holds that consciousness is the origin of the world, matter is derived from consciousness, and consciousness is absolutely first; materialist dialectics holds that matter is the origin of the world, consciousness is the product of matter, and matter is absolutely first.