Saudi Arabia and The Moslem Brotherhood have good relationship that has existed since 1928 untill now, where Saudi Arabia headed by King Salman. The Moslem Brotherhood is an Islamic Organization that become a background of President Mohammad Mursi. As a country that has power in the Middle East, Saudi Arabia has always shown his attitude in the coups in the countries of the region. Not least his attitude towards the coup in Egypt in 2013. If in the coup of other countries, Saudi Arabia has given a reasonable respon, it is not to the coup in Egypt. Saudi Arabia has given an unreasonable respon by being an agressive. Saudi Arabia directly involved and provide support both morally and materially. Although many people condemned the coup, but the support of Saudi Arabia continues to support the regime that thwart democracy in Egypt. This journal will explain why Saudi Arabia has supported the coup on Mohammad Mursi. Keywords