构建社会主义和谐社会关键在党。只有坚持在党的领导下全社会共同建设,才能动员和激励全体人民共同推动构建社会主义和谐社会的伟大进程。一、在党的领导下全社会共同建设是构建社会主义和谐社会的根本保证。 The key to building a harmonious socialist society lies in the party. Only by adhering to the common construction of the whole society under the leadership of the party can we mobilize and inspire all the people to jointly promote the great process of building a harmonious socialist society. First, under the leadership of the party, building a society as a whole is the fundamental guarantee for building a harmonious socialist society.