Language retardation is an important problem affecting children’s physical and mental development. Timely and effective intervention is crucial to improve children’s language ability and quality of life. As the first person responsible for children’s growth, parents play an irreplaceable role in the rehabilitation process of children with language development delay. However, the current situation of parents’ training for children with language retardation in Chongqing is not optimistic. Through investigation and research, this study mainly analyzes the situation of parent training in rehabilitation institutions in Chongqing, grasps the practical problems, understands the difficulties faced by parents training for children with language delay, and explores effective countermeasures. The conclusion is that in order to build a scientific training model for parents of children with language delay, we must pay attention to the effective integration of training content, reasonable arrangement of time, multiple innovation of forms and optimization and improvement of evaluation.