Buddhist philosophy was an important part of traditional Chinese culture. Its profound thoughts covered a wide range of aspects, such as personal cultivation and social harmony. Here are a few excellent Buddhist philosophy books for your reference: Diamond Sutra: This is a classic Buddhist scripture known as the "introductory work of Buddhist philosophy". It talks about the core ideas of Buddhism, including the "five kandas" and "four truths". Heart Sutra: This is another Buddhist scripture that mainly talks about how to achieve inner peace and tranquility through wisdom and compassion. 3. Lotus Sutra: This is a classic Buddhist scripture that tells the story of Buddha's Lotus Sutra, including how Buddha taught sentient beings how to free themselves from the cycle of life and death and how to practice Buddhism in their daily lives. 4. The Land of Yogas: This is a classic work on Buddhist philosophy. It contains the practice methods and thoughts of Yogas, which have important implications for personal cultivation and social harmony. 5. Maha Nirvana Sutra: This is a Buddhist classic on Nirvana. It tells the state of Nirvana and how to achieve it, as well as how to practice the spirit of Nirvana in daily life. These are some excellent books on Buddhist philosophy. They can not only help readers to understand Buddhist ideas in depth, but also improve their self-cultivation and moral character.