Abstract: A power supplied reminder electrically connects a tape recorder capable of recording therein a tape recording, a clock capable of time setting, an alarming unit having an alarming circuit and a buzzing speaker and two interlinking switches respectively connected to the alarming circuit and the tape recorder so that the speaker will buzz when a time set in the clock arrives and when the switch connected to the alarming circuit is switched off and the other switch connected to the tape recorder is switched on and thus the tape recorder will play to reproduce the tape recording in which something to done is recorded to remind one to do the something.