After the Sheraton Move in 2020，the political system of Malaysia entered a transition period. While the national politics was in turmoil，the political development of Eastern Malaysia and Western Malaysia showed different characteristics respectively. After the 15th General election，the unity government came into being through the cooperation between political parties and coalitions after the election results were released，marking the formal transition of Malaysia’s political system to the period of patchwork politics. The patchwork political system presents new characteristics：the political influence of the monarch gradually increases，the establishment of the regime develops from party cooperation to party alliance cooperation，the predictability of the election and the representation of the voters gradually decreases，and the balance of power reflects the characteristics of pork-sharing politics. The formation of patchwork politics is the result of the fragmentation of political parties in Malaysia accompanied by a high degree of social fragmentation，and also the result of the transformation of the power system after the introduction of the new political system represented by the Anti-Party Hopping Law. After the formation of patchwork politics，Malaysia’s political power system has evolved from a four-tier power system to a new three-tier power system. Compared with the political chaos of the previous two years，the new power system will tend to political stability.