Provided is methods and devices for sending and receiving information of terminals, and terminals, wherein the sending method includes that: information to be sent is converted into an optical signal by a flash lamp component, and the optical signal is sent to a terminal on a receiving side. By means of the technical solution provided by the disclosure, problems including a low transmission rate, poor usability, and so on existing in an existing communication method between terminals in the traditional art are solved and the efficiency of information transmission between terminals is improved. In the meanwhile, operations are simple and usability is also enhanced.
