In daily life, each person may meet a bad thing, it is inevitable. These bad things will affect the teacher moodcertainly. In the years of study life, it is sometimes encountered with emotion to the teachers, such as teachers, a door, you'll find out his face and usually are not the same, or in the teaching process to forget what to say, or is a teacher of a committed a small mistake such as a violent group of students. This is because the teacher 's personal emotions lead . These phenomena, the students have a big negative impact, so as one of teachers, we should try to avoid these negative emotional impact In daily life, each person may meet a bad thing, it is inevitable. These bad things will affect the teacher moodcertainly. In the years of study life, it is sometimes encountered with emotion to the teachers, such as teachers, a door, you'll find out his face and usually are not the same, or in the teaching process to forget what to say, or is a teacher of a committed a small mistake such as a violent group of students. This is because the teacher 's personal emotions lead . These phenomena, the students have a big negative impact, so as one of teachers, we should try to avoid these negative emotional impact