The present invention relates to a telephone and it is an object to make a speech without dropping a telephone even when the telephone miniaturized.Then, in order to achieve the object, the present invention includes a main body case 5, a microphone 8 and a receiver 9 provided on a front surface side of the main body case 5. A display part 7 is arranged between the receiver 9 and the microphone 8. The microphone 8, the receiver 9 and the display part 7 are provided on the front surface of the main body case 5, 50 or 51. On a back surface of the main body case 5, 50 or 51, a slip preventing part 13 that prevents the telephone from being dropped is provided. The slip preventing part 13 is arranged in an opposite side to the display part 7 on the back surface of the main body case 5, 50 or 51.