外语技能和外语知识是外语能力的两个基本构成要素。对外语技能的深层次的研究未能受到人们的关注。文章对外语言语技能的心理结构、内在构成因素以及各因素之间的相互运作机制进行了探讨和揭示,并且这些探讨和揭示对于外语言语技能的认识和教学实践都有相应的作用和价值。 Foreign language skills and foreign language knowledge are two basic components of foreign language skills. Deep research on foreign language skills failed to attract the attention of people. The article explores and reveals the psychological structure, intrinsic components and interoperability mechanisms of foreign language skills, and these discussions and revelations have corresponding roles and values ​​in understanding and teaching practice of foreign language skills.