1. Language disorder refers to the disorder of language communication ability caused by brain injury, including the damage or loss of expression and understanding ability of various languages, symbols, spoken language, writing, sign language, etc. Speech and language development disorder refers to the disorder of normal language acquisition in the early stage of development, which is characterized by the slow and abnormal development of pronunciation, language understanding or language expression ability, affecting learning, career and social functions. These conditions are not caused by abnormal neural or speech mechanisms, sensory defects, mental retardation or environmental factors.
2. Guangzhou Children's Hospital has its own unique views on the treatment of pediatric diseases, with superb medical skills and superb medical ethics, which has won a good reputation from patients. Guangdong June 1st Children's Hospital is the project hospital of June 1st Health Express and the clinical base of Huyamei Children's Medical Research Institute. It is a specialized hospital with children's characteristics, which integrates medical treatment, health care, rehabilitation, scientific research, health education and management.