Good teachers with the "four characteristics" are the hopes of developing our education, building China into a country with advanced education, a modern socialist state with Chinese characteristics, and realizing the Chinese nation's great rejuvenation. The "four characteristics" are good teachers' basic accomplishments. The nobility spirit that a good teacher should possess is the concentration of the "four characteristics". The nobility spirit is the first and primary standard and accomplishment, and is the core of teachers' morality. The questions a good teacher with nobility spirit should clarify are:"What is the nobility spirit? What kinds of nobility spirits should a good teacher possess? And how does a good teacher possess these kinds of nobility spirits?" So, it is necessary to explore the idea, meaning and value of a good teacher's nobility spirit.