The literatures cited in papers of Acta Agriculturae Boreali-Sinica in the last 10 years,the joint work situation of authers,the citations type and the languages used in these citations were analysed with the help of citation analysis method.

Writing for Journal of Beihua University Starting Publication;

A Barometer of Sino-foreign Relations in Late Qing Dynasty——On the Features of North-China Herald and Its Influence;

There were many superstitious organizations filled with superstitious belief concepts popular in rural north China during the period of the Republic of China owing to many factors such as social culture and geographical environment and educational level.

This dissertation is a study on marriage and family change in a region of the rural north China.

With an ecological and cultural research into the farm implements of north China since modern times,the authors come to the conclusion that farm implements are the result of farmers adapting themselves to ecological environment,and that there is abundant social information implied in the farm implements and in the customs of using them.