A solar LED indicator for use on road railings including a base, a lamp holder, a solar panel, an LED, a rechargeable battery, and a control panel. The base is S-shaped and on the top thereof disposed is the solar panel. The lamp holder comprises a chamber and is disposed at the concave side of the base. The LED is disposed at least at one side of the lamp holder. The rechargeable battery and the control panel are disposed in the chamber of the lamp holder, the rechargeable battery is connected with the solar panel, and the control panel controls the working conditions of the LED. The solar LED indicator can be seen from a long distance and exhibits a good guiding effect.