%A CAO Qing-ren %T ON SCIENTIFIC STUDY AND COMPLEXITY %0 Journal Article %D 2004 %J Science & Technology Review %R %P 12-14 %V 22 %N 0408 %U {http://www.kjdb.org/CN/abstract/article_1524.shtml} %8 2004-08-10 %X The purpose of the scientific study is to acquire the truthful knowledge of the world. But complexity is related to the scientific study at all times, and the purpose of the scientific study may be regarded as a study the simple rules of the complex world. The complexity study springing up in the 1980s takes the complexity as the research object, aiming to establish the complexity science describing the complex real world. After reviewing the scientific study, this paper discusses the relationship between the scientific study and complexity, clarifies the meanings of complexity, and explores the complexity study and its scientific nature.