《乌合之众》作者是法国著名社会心理学家古斯塔夫.勒庞自1894年始，写下一系列社会心理学著作，以本书最为著名；在社会心理学领域已有的著作中，最有影响的，也是这本并不很厚的《乌合之众》。作者论述在传统社会因素毁灭、工业时代巨变的基础上，"群体的时代"已经到来。书中极为精致地描述了集体心态，对人们理解集体行为的作用以及对社会心理学的思考发挥了巨大影响。《乌合之众—大众心理研究》在西方已印至第29版，其观点新颖，语言生动，是群体行为的研究者不可不读的佳作(The author of "The Crowd" was Gustave Le Bon, the French famous social psychologist. Since 1894, he had written a series of works on social psychology, of which this book has been the most well-known. Among the works in the field of social psychology, this book "The Crowd is also the most influential, though it is not so thick. The author discussed the arrival of "Times of Groups" based on the destruction of traditional social factors and great change of industrial era. The book describes, in an extremely exquisite way, the effect of collective mind on people's understanding of collective behavior and its great influence on the thinking of social psychology. The Crowd: A Study of the Social Mind has been printed for the 29th edition in the West. With its novel viewpoints and vivid language, the book is a must-read best work for the researchers of group behavior )