Sinology, also known as Parkology, refers to the study of Confucian studies based on Confucian studies, which flourished in the Qianjia era of the Qing Dynasty; Song studies refer to the Confucianism of the Cheng Zhu and Lu King schools of the Song Dynasty (including Yuan and Ming dynasties). The latter focuses on the principle of righteousness, and the restrictions on the portal are very strict. In the above discourse, the author discusses (). ['Difference between Sinology and Songology.', 'Differences between Cheng Zhu School and Lu Wang School.', 'Differences between textual evidence and morality.', 'The battle between Han Confucianism and Song Confucianism.']