Abstract: Loneliness is a special spiritual phenomonon in human life.LU Xun,in his works ,have displayed and analyzed people's thought and loneliness in personality at a high level,and expressed the honeliness and medancholy in the salvation of society and man's self. the sense of loneliness in Lu xun'w sorks shows humanistic concern and intellectual complex and can be used for reference in the contemporary literary creation.