Biomimetic intelligence is an intelligent form that borrows and imitates the structure,function,and behavioral principles of natural organisms,and has been applied to the design and manufacturing of artificial intelligence systems to improve their performances and intelligence levels.This paper overviews the main development trends in the field of biomimetic intelligence technology in recent years.Firstly,this paper introduces the current development status of biomimetic intelligence,then analyzes the challenges faced by biomimetic intelligence,and finally outlines the future development trends of biomimetic intelligence.This survey shows that:(i)The imitation-intelligence technology,which focuses on simulating the structure and operation mechanism of the biological brain,and the imitation-appearance technology,which focuses on imitating the appearance and movement mechanism of organisms,have made significant progress in research and application in recent years;(ii)Biomimetic intelligence faces challenges such as incomplete understanding of brain information processing principles,insufficient perception ability in complex environments,limitations in adaptability to diversified environments,and limitations in human enhancement technology,which highlight the complexity and diversity requirements of the development of bionic intelligence.This survey believes that researches such as brain-controlled technology,multi-behavioral and multimodal fusion technology,environmental adaptation and swarm intelligence collaboration of biomimetic robots,as well as human body enhancement technology,are becoming important directions for the development of biomimetic intelligence technology.