Indonesia is no longer just a factory in the world but also a world market, attracting many multinational corporations to invest in Indonesia. Therefore, this article uses the method of SWOT analysis to explore the investment risk assessment of Taiwanese businessmen in Indonesia, the result of serving as a reference for the relevant enterprises. The research results show that it’s well-expected on Indonesia's economic, the domestic market has great potential as well. It is worth for Taiwanese investment in the domestic market, but Indonesia's domestic infrastructure should be improved, high risks on law, the rate of natural disasters is higher, higher taxes, duplication, the phenomenon of imposition, especially corruption is very serious, so that business costs keep increasing, and it is worth for Taiwanese Businessmen to pay attention on the investment risk in Indonesia.