The Hundred Schools of Thought referred to a group of ideologists and schools of thought from the Warring States Period in ancient China. Their ideas and theories had a profound impact on the development of ancient Chinese culture and society. The following are some of the main representatives and their main ideas: 1. Confucianism: The representative figures include Confucius, Mencius, Xunzi, etc. Their ideas include benevolence, morality, etiquette, loyalty and filial piety, etc. 2. Taoism: The representative figures include Laozi, Zhuangzi, etc. Their ideas include nature, inaction, Tao and nature, etc. 3. Mohism: Mohism is a representative figure. His ideas include universal love, non-aggression, thrift, etc. 4. Famous School: Han Fei, Xunzi, etc. represented the school, including Legalism, Famous School, Taoism, etc. Legalism: Its representative figures include Han Fei, Li Si, etc. Its ideology includes Legalism, militarism, Yinyang, etc. 6. Yin-Yang School: Dong Zhongshu is the representative. His ideas include Yin-Yang, the Five Elements, and induction. 7. Military strategists: The representative figures include Sun Tzu, Wu Tzu, etc. Their ideas include strategy, actual situation, victory, etc. 8. Political strategists: The representative figures include Su Qin, Zhang Yi, etc. Their ideas include vertical and horizontal alliances, diplomacy, war, etc. These were just a few of the various schools of thought. There were many branches of their thoughts and theories, and each representative had his own unique ideas and contributions.