Now a day nuclear development program become a sensitive issue for international security. Iran is one of the countries which conduct nuclear development program, President of Iran considered that nuclear development program becomes necessary for electricity supplies and peace keeping purpose. On the other sides, western countries assess the nuclear development which done by Iran as a threat. Although Iran is facing international pressure, but Iran’s government still trying to maintain their nuclear power development program. This research try to explain the Iran’s interest to maintain nuclear development program.