Abstract: In the past 100 years, many valuable academic researches on Liao Ping's thought have been made at home and abroad. The domestic researches can be divided into four stages with distinctive features. Currently, there are more detailed studies and remarkable achievements have been made by scholars in Japan and the United States. But these researches do have some limitations. The research scope, perspectives, purposes and methods of the studies on Liao Ping's thought need innovating in the future.