Indonesia declared independence in August 1945. In recent years, the Indonesian government stressed that the national key is to defend the maritime traffic, Sea exclusive economic zone. To this end, Indonesia attaches great importance to national defense construction and mobilization preparation. This article firstly introduces the leadership system of the country's national defense mobilization; then introduces the country's national defense mobilization system, including compulsory military service and voluntary service system, the system of reserve militia; at last, it introduces the basic measures to mobilize the country, including to strengthen the construction of armed forces, increase the cost of national defense, strengthen the construction of military bases, strengthen military and mobilization exercises, pay attention to the mobilization of the alliance. <<