**6. Conclusions**

In this chapter, the previously reported Pt-based micro-/nanomotors are presented. In detail, the propulsion mechanisms, fabrication methods, propulsion controlling methods, and applications of these synthetic micro-/nanomotors developed in the past years are summarized accordingly. Despite the rapid and significant advances in micro-/nanomotors, challenges such as specifically practical applications and smart controlling still remain to be resolved. In addition, advanced structure design and fabrication methods are demanded.
