Objective To grasp the research hotspots and methods of children’s speech and language disorders in China in the past 30 years. Methods The literature related to children’s speech and language disorders from 1990 to 2021 was searched in CNKI database

and the visual analysis tool CiteSpace was used to present the knowledge graph of keyword co-occurrence

institutional cooperation

main authors

and development process. Results Key words with high frequenly are autistic children and hearing impaired children. The most active institution is the China Rehabilitation Research Center for Hearing and Speech Impairment. Main authors are Sun Xibin and Liang Wei

with the highest number of articles published which is 24. "Cluster #0" hearing-impaired children and "cluster #1" autistic children cover the time span from 1990 to 2021

and are the largest subjects. Conclusion At present

the research results are fruitful

and the cooperation between relevant research institutions is getting closer and closer. With the deepening of the research on speech and language disorders in children in China

it is still necessary to strengthen professional

standardized and personalized research

improve the quality of speech therapy.