The thesis attempts to investigate English peasants costume, diets, dwellings, communications, entertainments as well as their transformations in later Middle Ages.

The practices of supervision and checks & balances were the products of political and legal civilization from the different kinds of culture of ancient China and medieval England.

The Three-step Development that from custom to law and to constitutionalism symbolize the transition of method for protecting property in medieval England and refract the unique developing way of English constitutionalism.

Since Reform and Opening-up, academic circle have studied constitutional history of Medieval England deeply in Chi-na.

NING Ke has put forward his own view on certain aspects of the research on the history of Chinese ancient peasant wars,which involves such important issues as peasant regime,imperial authoritarianism,the spontaneity and consciousness of peasant wars and the historical role of peasant wars.

Chinese peasants in the course of modernizing;

Chinese peasants are the driving force in the course of the founding of new China, and with the very spirit of revolution, they are the cradle of the success of China s revolution.

Buck and Mao Dun describe Chinese peasants land complex in their works vividly.