themostimportantqualityisprofessionalknowledgeincludingEnglishgrammaticalkonwledge,discourseknowleage,andthefourskillsofEnglish.

　　Thesecondoneisteachingmethodswhichshouldvaryaccordingtodifferentstudentsinvariousstyles.

　　Thethirdoneisthatateachermusthaveaexcellentpersonality,suchas:patient,responsible,kind-hearted,open-minded,helpful,considerateandoptimistic.