外来务工青少年犯罪心理的生成有其主体和环境两方面的原因。主体方面受错误的人生观、不健全的认知结构、较差的消极情绪控制能力、明显的个体矛盾性、法律意识淡薄、较低的犯罪感等因素的控制;环境方面受家庭因素、学校因素、社会因素等因素的影响。全面分析这些因素,有助于了解外来务工青少年犯罪心理产生的原因和演进过程,对防范外来务工青少年犯罪大有裨益。 The formation of migrant youth criminal psychology has its main body and environment of two reasons. The main aspects of the erroneous outlook on life, imperfect cognitive structure, poor control of negative emotions, obvious contradictions of individuals, weak legal awareness, a sense of guilt and other factors lower the control of the environment by family factors, schools Factors, social factors and other factors. A comprehensive analysis of these factors will help us understand the causes and evolution of migrant workers’ criminal psychology and greatly help prevent young migrant workers from committing crimes.