Employment condition in Indonesian has not been very conducive, because lay off and underemployment has been going on until today. The worst of entrepreneur is the choice to enable those who are not in the manufacturing sector, private or government employee.However changing from supervised employees to independent entrepreneurs, who can even create other jobs, is difficult. In fact, in a developed country, small or medium enterprises are those who contribute to the country.To which the behavior of entrepreneur can be develop will be affected by the “nature” which is transmitted through genetic and “nurture” which is socialized by social environment, family, cultural environment, peer group, school, courses, training centers, and so on, which faktors will mostly affect to a person will depend on this individual him/herself.The quality entrepreneur behavior of a person will also be contingent upon government institution support. A hypothesis of a research tests that most of the higher/successful entrepreneur behavior is the one which is developed by “nature” and “nurture”. It means, beside internal faktor, the external faktor of entrepreneur is also important. This hypothesis in fact, can be proved through a just finish research.