擋拆是籃球運動的戰術之一，其簡單又易執行的特點，為全球各層級籃球教練及籃球運動員所接受，它可以破解盯人防守亦可破解區域防守。國際業餘籃球總會（FIBA）籃球規則自2010年10月1日起修正，其中三分線距離增加50公分達到6公尺75公分，這意味著防守者協防時的難度增加，也代表進攻者切入或切入後傳球的空間加大，而這樣的改變，讓籃球最基本的擋拆配合威力更強大，本文就擋拆配合的定義、類型、步驟原則、教學重點等做深入淺出的闡述與分享，希望讓籃球教練能有更深一層的思考與領悟，並在基礎教學上能更容易上手。

On ball screens are the offensive skills in basketball. Due to the characters of simple and easy to execute, this skill is popular and accepted by all different levels of coaches and basketball players around the world. On ball screen can break down the man-to man defense and zone defense. International Basketball Federation (FIBA) has revised the latest basketball rules since October 1st, 2010. The major change is that the distance of the three point shot increases from 6.25 meters to 6.75 meters. This change makes defenders become more difficult to help defense. It also means more space for offensive players' penetration and passing after penetration. Because of this change, these basic basketball skills, on the ball screens, become more powerful. This article introduces the on the ball screens' definition, types, step principles and focal points by explaining the profound in simple language. We hope that this article enables basketball coaches to have a deeper ponder and the comprehension and to have an easier way on fundamental teaching.