In this perspective, the present work allows us to analyze the spirit and purpose of a government coalition in state management in the face of the challenge of good governance, specifically the Fcc-Cach coalition, which governed the Congolese political organization after the 2018 elections. An agreement between two political platforms, which leads to a new form of government coalition, for good governance and management of the res publica in the Democratic Republic of Congo.As is known, the practice of political coalition is not new in the DRC, the elections of December 2018 are part of it. Having failed to secure a parliamentary majority in the said elections, the political parties governing the Congolese political scene, were able to form political platforms, even before these elections, in order to constitute a political force. In view of the above, the parliamentary majority was what the current president could not manage internal Congolese politics without.