This article focuses on portable agricultural drone propellers, a core component of agricultural UAVs, and provides a comprehensive guide for B-end customers in global agricultural regions such as Brazil, the U.S., and Australia. It covers material classification (plastic, glass fiber, carbon fiber), specifications, design features, and practical maintenance tips. Combined with real overseas cases, it explains how to select and use agricultural drone propellers adaptively according to regional climates and operation scenarios, helping B-end users reduce costs, improve efficiency, and avoid losses caused by improper propeller use.