Abstract: Adolescents are the future and hope of the country and the successor of the country's future construction. Research found that young people, while living in rich environment of digital information resource, but was still in digital poverty. Aiming to analyze the causes of digital poverty of young people, and help them better adapt to the rapid development of digital age, and better contribute to the digital development of motherland, through the analysis on the causes of digital poverty of young people based on the theory of small world behavior, this paper found that young people who were in the youth rebellion period had a very serious digital behavioral disorder in the process of learning knowledge throughout the various aspects of information behavior, which seriously led to the digital information poverty. Schools, teachers, parents and other social forces, should pay attention to this issue, and help young people get rid of digital information poverty, and make they truly become the innovation strength in digital era.

Key words: small world