Abstract: Now China is all-roundly transfering to the socialist modernization society. Owing to the disintegration of social structure and the readjustment of interest relation the political authority of the Communist Party is faced with many challenges. The Party must face the reality squarely and should make painstaking effort in the idea consolidation,benefit coordination,actual effect in power, combating the rotten phenomenon and proposing honest action in performing official duties and so on. The Party also should contact the masses closely and cultivate the entensive society foundation to safeguard and strengthen its own political authority.