摘要
针对学生在初等数论解题中不易下手这一难点，结合作者多年对数学教育专业初等数论课的讲授经验。
The purpose of the article is to draw attention to the most important problem solving techniques in elementary number theory and their uses are illustrated by some examples and problems.The material serves an easily accessed reference of essential knowledge for students and teachers of mathematics.
