老舍是现代中国文坛卓有建树的作家，一生中创作了无数优秀的作品。本文通过对《四世同堂》中反面人物的形象分析，讨论人性中“恶”的根源，并结合当时的社会背景，分析了当时社会人们的心理感受。对当时如何在人性中产生“恶”的心理进行了深入的分析，并结合《四世同堂》中的祁瑞丰、冠晓荷、大赤包等典型反面人物进行研究，发现其中人物“恶”之心理的产生主要是由于当时的战乱年代以及封建思想导致的。并且还通过这些反面人物，结合作品分析了老舍的内心情感和愿望，通过《四世同堂》，老舍希望能够改变现有的社会环境，还以人性原本的纯洁。

Lao She is of prominent contemporary Chinese literary writer, life created numerous excellent works. Based on the "Four Generations Living Together" in the villain's image analysis and discussion of human nature "evil," the source, combined with the social background, analysis of the psychological feelings of society at that time people. Human nature at that time how to have a "bad" psychological depth analysis, combined with "Four Generations" in Qirui Feng, Xiao Dutch crown, large red bag, the typical negative character study, obtained the "evil" of psychology in the war mainly due to the time and the feudal era of result. And also by the negative character, combined with analysis of the works of Lao She's inner feelings and aspirations, through "four generations," Lao She hopes to change the existing social environment, but also to the original purity of humanity.