Study on Chuang-Tzu's aesthetic thought of “Wu” Study on the literary and artistic thought of Eco Study on Chuang-Tzu's thought of "the equality of things" Study of Wang Chuanshan's thought of justice Study on Song Tao's economic thoughts Study on Wu Xuangong's economic thoughts Study on Zhang Xunhua's economic thoughts Study of Dewey's aesthetic education Study on Chen Zheng's economic thoughts Study on Lenin's strategic thought