| Mathematical language as the overall quality of students in mathematics is one important component is the evaluation of the quality of students in mathematics is an important indicator. Mathematical language is a collection of mathematical language learning, learning to use mathematical language accurately the structure of the expression of mathematical object is conducive to the development of mathematical expression and communication. Collection of language affects math learning mathematics and mathematical thinking ability, and therefore should pay attention to the language of mathematics teaching and research collection.By using the study method of testing and interviewing students, problems can be concluded when they studying mathematical set language are as following:1. Having an unclear understanding towards the basic attribute of mathematical set language and the object it expressed.2. Having difficulties in comprehending mathematical set language.3. Having difficulties in transforming mathematical set language.4. Having difficulties in expressing mathematical set language precisely.5. Having difficulties in construction and expression of mathematical set language.This paper conducts an in-depth analysis to the problems, makes a systematic summary to mathematical language; in the meanwhile, and raises targeted teaching strategy. For instance, change of teacher's concepts, strengthening the model, strengthening the language conversion, to strengthen mathematical reading and writing, etc.By adjusting their teaching strategies through experiments and compare the results of teaching experiments showed that the appropriate teaching strategies to promote student mastery of mathematical language and use of the collection, but also can help students understand and master mathematical knowledge, and thus improve their mathematical literacy for students to learn to lay a good foundation of professional language.
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