One of the informal sectors that happening in urban areas is street vendors, known for its contribution to reduce unemployment despite their existence are often raise urban planning problems. However, street vendors should be given the opportunities by the government to increase their economic empowerment and competitiveness. The purpose of this study is to analyze personal characteristics and business profile, family environment, internal and external environment of the business; and its influence on street vendors' entrepreneurial behavior. The research was conducted in Pekanbaru from March to December 2019. Respondents of the study are 131 street vendors. The data is analyzed by using the Partial Least Square (PLS) method. The results showed that the average personal characteristics of street vendors' aged 36.93 years, level of education equivalent to high school with 5.27 years of business experience and average net income per day is IDR 442,404 which 52.7 percent do not have any business license. The family environment and the internal business environment are considered "good" and support street vendors. The external business environment, especially government support or policies (capital support, technology and empowerment) are still considered "not good" by street vendors. Factors that have a significant influence on entrepreneurial behavior are: formal education factors, parent education method, family support, business financial analysis skills and government support or policies (access to business capital and empowerment).