坚持“立党为公,执政为民”是党在总结五十五年的执政经验的基础上提出的。要做到“立党为公,执政为民”必须大力加强反腐倡廉工作,必须认真解决损害群众利益的突出问题。本文主要探讨作为执政党,“立党为公,执政为民”的必然性,以及从加强执政党的政治合法性出发,“立党为公,执政为民”的应然性。 Adhering to the principle of “building the party for the sake of the public and governing for the people” was put forward by the party on the basis of summing up its ruling experience during the past 55 years. To achieve the goal of “building the party for the sake of the public and governing for the people”, we must vigorously step up our work on combating corruption and building a clean government. We must conscientiously solve the outstanding problems that undermine the interests of the people. This article mainly discusses the necessity of “building the party for the public and governing for the people” as the ruling party and the necessity of “building the party for the public and governing for the people” from the perspective of strengthening the political legitimacy of the ruling party.