Abstract: Sun Yat-sen is the great forerunner of the Chinese revolution. During his revolution, he had taken a series of thoughts which made great effect to our social development. Sun payed attention to agricultural development and he had many statements on agriculture. His agriculture thought is the guidance of the development of Taiwan modern agriculture. In this article, the practice of Sun’s agriculture thought in the development of Taiwan modern agriculture was analyzed, and the illuminations were summarized to the development of modern agriculture in China mainland.