应用语言学饱受争议的学科定位和研究范围催生了教育语言学。经历了40多年发展，国外教育语言学研究呈现了多元化态势并产生了三大学派。国内该领域研究也日渐与国际接轨，具有中国特色的教育语言学理念正在形成。本文拟梳理教育语言学及其学派从兴起、成长到成熟的发展轨迹，讨论教育语言学与应用语言学的关联性。重点探讨其研究范围、学科定位和发展前景，以期国内外学界对该领域有更为全面的了解。

The controversial subject positioning and research scope of applied linguistics led to the birth of educational linguistics. International educational linguistics studies has demonstrated a diversified trend and formed three major schools within more than 40 years’ development. At the same time, domestic research in this field is increasingly in line with international researches, the concept of educational linguistics with Chinese characteristics has begun to take shape. This article intends to discuss the relevance of educational linguistics and applied linguistics, its research scope, subject positioning and development prospects by concluding the rise, growth and maturity of educational linguistics and its schools. It is hoped that researchers home and abroad will have a comprehensive understanding towards educational linguistics.