(1) Motivation and criticism have different functions. Although encouragement and criticism are both educational means, they have different effects and should be used in different places. Don't encourage blindly, it will make students proud, and don't criticize blindly, it will hurt their self-esteem.

(2) Praise is positive and criticism is negative. Praise is a positive incentive, which should be moderate, fair and in-depth; Criticism is a negative incentive and a difficult means of education. It should be based on respect and sincere attitude, and the ultimate goal is to let students realize their mistakes. It must not become corporal punishment or corporal punishment in disguise.

(3) Incentive is the main factor, supplemented by criticism. Generally speaking, education should focus on motivation, but criticism is also a good means when necessary. According to local conditions, teaching students in accordance with their aptitude, giving priority to encouragement, supplemented by criticism, the combination of the two is the scientific means of education. It is better to use them together. You should know when to criticize, when to motivate and how to motivate.