Academician Wu Chuanjun is a famous and outstanding geographer at home and abroad. He had ever gloriously worked as the vice president of The International Geographical Union for two terms (1988￣1996). By now he has continuously been the president of The Geographical Society of China. By the time of his 80th birthday, he has published three main works on “The Man Earth Relationship and Economic Allocation”, “The Contemporary Economic Geography” and “The Economic Geography of China”, obviously expressing his academic achievements. His theoretical thought is so active that he is regarded as a mature scholar by the Chinese geographical circle. He lives up to the great guide of our modern Chinese geography. In the renaissance of human geography, he has been playing a chief role and setting up the historical meritorious and beneficent deeds. This paper briefly introduces his creative ideas on the man earth relationship and economic allocation as well as his prominent contribution to geographical science, especially to human geography (including economic geography, agricultural geography, science of land utilization, comprehensive exploration of resources and territorial planning) and international academic exchange of geography.