Fifteen-year-old temperament is a bit irritable, need to carry out active psychological treatment, at the same time to create a good family atmosphere, strengthen the communication with the child, mental illness caused by the temperament of irritability need to actively treat the disease. Teenagers are a bit irritable, may be the family environment, social environment, etc. caused by personality changes, may also be the emergence of certain mental illness. Depending on the different causes of irritability, you need to choose different ways to deal with it. First of all, positive communication is needed. For adolescents, there may be some reverse psychology, and need to communicate with them positively. Parents need to create a cordial family atmosphere. An unfavorable family atmosphere may make the child’s personality disorder and may also have a cranky temperament. A good family environment is conducive to the correction of the child’s irritable personality. Secondly, if necessary, psychological counseling can be sought to help resolve conflicts. For some mental illnesses, such as mania and other causes of irritability, need to go to the hospital in time for treatment.