The present disclosure provides a key structure. The key structure comprises a body, a key body inserted into the body, and a connection component arranged in the body and the key body; and the connection component includes a first end arranged in the body and a second end arranged in the key body, wherein the second end is in interference fit with the key body. The present invention also provides an electronic device provided with the above key structure. According to the key structure and the electronic device provided by the technical schemes of the invention, the key body has little possibility of swinging, generates no abnormal noises, and has little possibility of being abraded, and therefore, the key structure has the advantages of long service life, low cost, low requirements for processing size accuracy and high adaptability.