“汉语热”在全球范围内不断升温,许多国家将汉语列为其必修课。如今加快汉语国际事业的推广,加快汉语走向全世界,已经成为提升国家软实力的重要措施。中国的国际影响力逐渐增强,越来越多的外国人认识到汉语的重要性。汉字教学一直是对外汉语教学中的重点和难点。根据调查显示,大部分留学生在学习汉语时,存在着汉字“难懂、难写、难认”等问题。本研究在对外汉语教学实践中发现了“字根教学法”的优势,但此教学法并不完善,因此在对外汉字教学实践中应用不广泛。本文对对外汉字教中的“字根教学法”进行了深入的研究。 “Chinese hot ” in the global warming, many countries will be Chinese as a compulsory course. Now that accelerating the promotion of Chinese international business and accelerating Chinese into the world has become an important measure to enhance the country’s soft power. China’s international influence has gradually increased, and more and more foreigners have realized the importance of Chinese. Teaching Chinese characters has always been the focus and difficulty of teaching Chinese as a foreign language. According to the survey, most of the students studying Chinese, there is the Chinese characters “difficult to understand, difficult to write, difficult to recognize” and other issues. This study found the advantage of “root teaching method ” in teaching Chinese as a foreign language. However, this teaching method is not perfect, so it is not widely used in teaching Chinese as a foreign language. This article has carried on the thorough research to the “root teaching method” in teaching Chinese as a foreign language.