In the past 10 years, over 90% of actively managed A-share funds have underperformed the CSI 300 Index, yet retail investors are still crazily chasing star fund managers. Actually, investing in broad-based A-share indices only requires remembering 4 core codes: CSI 300 (Large-cap blue chips): 510300 (Huatai-PineBridge), 159919 (Harvest) - Management fee 0.2%, minimal tracking error CSI 500 (Mid-cap growth): 510500 (Southern), 512500 (ChinaAMC) - Management fee 0.2%, more flexibility ChiNext Index (Tech growth): 159915 (E Fund) - Management fee 0.15%, strongest tech attributes Dividend Index (Defensive allocation): 510880 (Huatai-PineBridge Dividend ETF) - Management fee 0.15%, dividend yield 4%+ Broad-based indices cover 90% of A-share market cap, with fees so low they’re negligible. Hold long-term, and you’re the winner.