This paper investigates the development history of balance control of unmanned bicycles,understands,and summarizes some technical problems that scholars have optimized and solved in the process of structure and control in recent years,and finally looks forward to the future development of unmanned bicycles.As a review paper,this paper mainly discusses the structural optimization and control optimization of the balance control of unmanned bicycles,combines some literature from the birth of the concept of balance and stability to the present,summarizes the development of its balance system,and places expectations on the use of unmanned bicycles.