The goverment system of the Republik of Indonesia can be seen in Chapter 1 verse 1) of the Conctitution 1945 of the republik of Indonesia whichsays Indonesia is a united nation in the form of republik The Consequence of this is the head of state posting is conducted by election, in line with the meaning of republik of back to general people. According to Islamic Teaching on the Holy Quran, principally Islam does not put in a detail on how to post a head of state. however, Al Quran provides guidelines in decision making on things concerned with peoples lves by deliberation as stipulated on surah asy syuro verse 38 and surah Ali Imron verse 159 and the practise and guidance from Rasulallah SAW - the last messenger