Like all esoteric Buddhism in Buddhism, it originated in India and is also a branch of Buddhism in the Mahayana period. The Cundi Dharmaparyaya formed during the Tang Dynasty in China isalso one of thecharacteristics of the "Tang Tantric". Although the connotation of Buddhism is includes both explicit and secret, it is different in inheritance. Cundi Dharma in "Tang Tantric" was introduced and established in China in the Tang Dynasty from India, the practice of esoteric Buddhism was also confined to esoteric monks, and the Dharma line was almost fade for a while after the "Huichang Dharma Woe" in the Tang Dynasty. It was only after the publication of "The Collection of the Heart to Become a Buddha" compiled by Master Liao Dao-Chen .from the practice literature records of Cundi believers in the Ming and Qing Dynasties,It can be understood that Cundi Dharmaparyaya has obvious benefits in obtaining Of Stages of self-cultivation. of the Buddhaphala Since the practice of Esoteric Buddhism traditionally gave the Mahayana practitioners in the China a greater emphasis on practice and less on the theory of meaning, this thesis starts from the philology and ideological research methods, and enters into the study of the translation and biography of the ancient Cundi Sutra in China region and the teachings of the teacher Relevant quasi-quotation works and contemporary scholars' writings on aligning-quotation, to understand why Dharmaparyaya can be widely accepted in China The main reason why the book"The Collection of the Heart to Become a Buddha" has been circulating today and the belief that Dao-Chen inherited Jue-Yuan's thoughts and effective development. Dao -Chen also clearly invoked its method in the "The Collection of the Heart to Become a Buddha" , and in the end, Avatamsaka thoughts along the Xian -hou, Qing-Liang and entered the Zong-Mi's "true heart" view of the Dharmadhatm, and according to its five teachings, "The ineffable vehicle round teaching" The meaning of the esoteric Buddhism in addition showing the inheritance of Avatamsaka thoughts is also a theoretical innovation. In the esoteric mind, the Tao-Chen does not explicitly discuss the theory of meaning and teachings like the esoteric teachings, but it is obvious from the discourses in the book that the "The dharma realm of the one reality" thinking in the sacred circle is equivalent to the esoteric sect circle Thinking, and "observation of the unobstructed world" is equivalent to the " Cundi Dharmaparyaya " method. No matter if it is to practice the same way with both the two esoterics, or to teach Samantabhadra and then the three tantras for blessing, or to use the three tantras and then observe, you can realize the great wisdom of Manjushri. The important thing is: if you don't build the Three Secret Gates, d