With the increasing influence of Chinese in the world, more and more foreigners have a strong interest in Chinese culture and language, and begin to learn Chinese. Under this background, in order to better improve the quality and efficiency of teaching, it is particularly important to study second language acquisition strategies. Second language acquisition strategies are various means, methods and measures adopted by second language learners in order to achieve their learning objectives. Based on the analysis of the connotation and classification of second language acquisition strategies, this paper discusses the application of second language acquisition strategies in Chinese international teaching, the implementation of teaching principles and the use of teaching methods. In addition, the paper also points out that the second language acquisition strategy suitable for students' age and psychological characteristics should be adopted according to their cognitive development rules, psychological characteristics and language learning and acquisition rules, so as to guide students to learn to observe, think, judge and choose in the learning process, so as to improve their learning efficiency and complete their learning objectives.