This report introduces a systematic, data-driven "Meme Coin Lifecycle Research Toolkit." By integrating on-chain data, community activity, and market sentiment, it helps investors identify key signals, anticipate risks, and navigate market cycles. It also assists policymakers in understanding meme coins' evolution and systemic risks. The report details signal patterns, data characteristics, and threshold values for each stage, offering a practical guide for lifecycle-based investment strategies to enable proactive decision-making.