Islam is very comprehensive religion as the way of life that guides mankind in all<br />aspects of life. The two responsible of human such as worshiper of Allah and agent of<br />economic on earth are related to development. Nowadays, the development of Islamic<br />economic and finance in many Muslim countries is significant to contribute the economic<br />growths in the country in spite of many of Muslim countries are still in the poverty<br />problem. By then, the paper attempts to analyze the major problem of Muslim countries<br />toward development, to explore determinant factors of development in Islamic golden<br />age and to give best solution to economic development of Muslim countries. It is<br />qualitative research by using content analysis to answer all reseach questions. The<br />findings are that The problem of development in Muslim countries is very complex such<br />as poverty, lack of human skill, income inequality, low level productivity, accumulation<br />of foreign debt and illiteracy. There are several countries that have excessive oil can be<br />categorized as high human development. The economic development of Islamic Golden<br />age applies religious and physical factors to promote society welfare. Lastly, there are<br />five successfull determinant factors in economic development such as religion, knowledge,<br />wealth, inovation and institution.