The current issue of teen violence in Thailand and more complex. Due to the rapid changes in the physical. Economic and social capital The teenager is a transition period of growth with changes in the body. Mental and emotional Teen makes a lot of problems The major problems of today's teens, including drug problems. The problem stems from a lack of understanding on the body. And violence The major cause of family problems. Environment around them, diverting to the poor and violence in society. These problems will not happen if parents care for their children.