Triboelectric nanogenerators ( TENGs) have emerged as a promising technology for harvesting mechanical energy, showing great potential in applications like wearable devices and environmental monitoring. However, their widespread use is restricted by mechanical damage during long-term operation. To solve this problem and improve durability, using self-healing polymers in TENGs is an effective approach. This article first presented the working principle of TENGs. Then it delved into the structures and mechanisms of self-healing polymers, with special emphasis on intrinsic self-healing. Next, it comprehensively reviewed the latest research progress of applying self-healing polymer materials to TENGs. Finally, future development directions of this field were prospected.