BCH码是循环码中的一个重要子类，它具有纠正多个错误的能力，广泛应用于移动通信和卫星通信中。BCH码有着严密的代数结构，是目前研究得比较透彻的一种码。-BCH codes are cyclic codes is an important sub-class, it has the ability to correct multiple errors, widely used in mobile communications and satellite communications. BCH code has a strict algebraic structure is studied more thoroughly as a code.