The utility model discloses a solar water heater with a lighting plate, comprising a seat frame, a water storage tank and a heat collection tube, wherein the water storage tank and the heat collection tube are arranged on the seat frame, a reflector used for reflecting sunlight to the heat collection tube is arranged below the heat collection tube and is in a V-shaped foldable structure, and the opening angle of the V-shaped foldable structure ranges from 90 degrees to 160 degrees. The utility model adopts the foldable reflector with the cross section in a V shape and a strip structure, and the opening of the V-shaped foldable structure has a certain angle so as to enable the back surface of the heat collection tube to be in the range of light reflection focuses of the V-shaped reflector, therefore, the heat work efficiency of the heat collection tube is greatly improved. Meanwhile, the utility model can shunt blowing of wind power, is not easy to block the wind power, has favorable windproof effect, can efficiently prevent being blown down by a typhoon and has simple structure and ingenious concept.