Decision of running business is the result of interaction of several factors, namely the character of a person's personality and environmental influences. A family relationships, friends, relatives, educational environment, social rules in society and religious that can influence one's intentions running a business. Theory of Planned Behavior explains that the intention of doing online business among students is influenced by some variable such as attitudes, subjective norms, and perceive behavioral control. Furthermore, these three variables are influenced by several backgrounds which influence it, such as social, personal / individual background, and information. A number of research results show that the intention of doing online business for each students can vary depending on their social environment, age, gender, level of education, science, level of income, belief/ religion, or the influence of exposure to information which affects their experience, besides the influence of personality and the personal intellectuality of the student. These results of research show that the Theory of Planned Behavior have implications in explaining the phenomenon of intention to run online business among students