Abstract: Generally speaking, the Chinese national studies may be a category in opposition to the Western studies. Historically speaking, any national studies what so ever is a special academic branch, which grew up with the national countries' growth in the early modern times. World-widely speaking, all powerful countries have their own national studies. They bear different names, to be sure, but the field they cover is basically the same. This is the reason why they are called by a joint name of national studies. The Chinese national studies may be called either the national studies for short or sinology as the Westerners do. Chinese national studies differ from all the other national studies in that its history is very long. Liu's research of the Chinese national studies forms up a unique system. Collected Annotations to Master Huainan's Works stands for the high achievement he has reached in the field of Chinese national studies, which are characterized distinctively by interdisciplinary features. No wonder it is regarded as a world-top achievement. Liu has a brilliant and independent personality. He spent his lifespan in a heroic, gallant and generous way. Liu fully deserves the title of Master of Chinese studies.