 BCRI intervention program aims to teach the parents to master how to apply correct approaches and strategies and hold the training both at home andor in training institutes. During the program, doctors deliver the knowledge and skills to the parents, set a complete schedule for the intervention, assess the progress and development for the children and communicate with the parents about any problems and frustration. Parents play an important and direct role in the training and educating procedure. The contrast group receives standard community intervention. 