贯彻“三个代表”重要思想 ,核心在坚持党的先进性。本文深刻分析坚持党的先进性的必要性、重要性和紧迫性 ,明确保持党的先进性的基本途径。 Carry out the important thought of “Three Represents”, the core of which is to uphold the advanced nature of the Party. This article profoundly analyzes the necessity, importance and urgency of upholding the advanced nature of the party and clarifies the basic ways of maintaining the advanced nature of the party.