The classes of scullcaps can be distinguished by the method.The method can be used to class and identify geographical origins of scull-caps.

• 用径向基函数人工神经网络法预测了43个黄芩样本的产区，结果表明径向基函数人工神经网络法具有较强的预测能力，可区分和鉴别黄芩的产区。