This is a professional cookware material selection guide that thoroughly analyzes mainstream materials including cast iron, stainless steel, aluminum, and titanium. The article evaluates each material's thermal conductivity, durability, and health impact from a materials science perspective, offering precise recommendations for different users: carbon steel suits professional chefs; cast iron cookware excels in heat retention for high-temperature cooking; multi-ply stainless steel is renowned for outstanding durability; while hard-anodized aluminum is ideal for beginners. The core principle is that no universal "best" material exists—consumers should make rational decisions based on personal cooking style, maintenance commitment, and physical capabilities, rather than blindly following marketing claims.