Eye rest reminding device

An eye rest reminder is provided, which is characterized in that: a press button is positioned on a little box and is connected to an electrolysis capacitor and a resistance with large resistance value; the electrolysis capacitor is connected to a base electrode of a composite triode that loads a LED; the LED and a photosensitive resistance positioned opposite to the LED are bushed in a plastic sleeve; the photosensitive resistance is connected to an adjustable resistance; a join point is connected to a triggering foot of a music integration block that is connected to a speaker. At the beginning of reading or writing, press the press button once and the utility model will sound on the preset time and remind the user to take a rest after long time use of eye.