1) the expansion of communism. Although the government can suppress communism, but communism was achieved in 2503, mainly ethnic Chinese intervention among manual workers. And affect the stability of the country.
2) the ethnic or racial differences as China, India, Pakistan, Thailand and the native. The Chinese people have counted as many as possible. And a group of people who have disputes with the Malay along. Finally, there is a serious conflict on 13 May 2512 after just two years, Malaysia has joined ASEAN.