TANG Laihe,the speaker of the White Deer Grotto Academy of the early Qing Dynasty,was an accomplished Neo Confucianism scholar and educator.The method of literature analysis is adopted to analyze TANG Laihe's Confucianism.TANG Laihe advocated for people to distinguish right from wrong and prevent the spread of the theory of supernatural power and chaos from the source,emphasize the importance of using moral education to influence the people,and propose specific countermeasures and suggestions to demonstrate their courage and responsibility in maintaining social harmony and stability.He advocated filial piety,but opposed foolish filial behavior,and advocated for the implementation of filial piety towards parents in specific actions,in order to fulfill filial piety in practical and feasible ways.