1. Create a good family environment: The grumpy five-year-old boy may be related to the family environment. If the family environment is not harmonious, parents often lose their temper, which may lead to boys' bad temper. It is suggested to create a healthy and harmonious family environment;

2. Timely communication: If the five-year-old boy has a bad temper, parents can communicate with the boy in time, sort out the boy's inner thoughts and teach the boy to vent his emotions correctly;

3. Encourage more education: The five-year-old boy's self-awareness is developing. In normal life, parents should educate boys not to beat and scold, but to encourage them to prevent greater emotional fluctuations, gently enlighten boys and appease their emotions, which can make boys change slowly;

4. Lead by example: It is also a way for parents to guide boys correctly. Parents should let boys learn in the process of conflict with others. Parents should deal with the world in a violent way. Boys may learn from their parents' advantages, thus alleviating the phenomenon of bad temper and abnormal mood.