The invention discloses a solar street light capable of collecting water for irrigation in gardens, which comprises a street light pole, a solar electric panel, a storage battery, a street light, a water storage tank, a spray pipe, a wide-angle nozzle and a water pump, and the street light pole is provided with a placement plate , reinforcing ribs, placement racks and solar panels; the front of the street light pole is equipped with a waterproof cover and batteries; both sides of the street light pole are equipped with horizontal light frames, light frame reinforcement ribs and street lights; the lower part of the street light pole is equipped with a water reservoir and a drainage ring Plates, screen plates, sprinkler pipes, wide-angle nozzles, water pumps and suction pipes. The present invention adds an annular water storage pool to the solar street light for gardens, collects fresh water in rainy weather, and can be used for watering at ordinary times. It is convenient to use, simple in structure, easy to clean, and more environmentally friendly and practical.