Solar lamps, as the name implies, are powered by sunlight, which can provide light energy for lighting without the need for wiring or batteries. As a form of renewable energy, solar lamps are becoming increasingly popular among people, and now they are widely used in various places such as communities, parks, roads, monuments, beaches, and even deserts. Advantages of solar lamps include their energy-saving and environmental-friendly features. Firstly, since the lamps are powered by sunlight, they neither require expensive electricity bills nor cause environmental pollution. Secondly, since solar lamps can be recharged by sunlight, they do not need batteries, which are easily depleted and must be replaced. Finally, their cost-effectiveness and easy maintenance make them a popular choice for lighting sidewalks, gardens, and parks. Solar lamps are not only economic and environmental-friendly, but also attractive. Attractive solar lamps can not only brighten up a space while providing light energy but also be used as decorations to enhance the beauty of the surroundings. Solar lamps, no doubt, are becoming the most popular and widespread form of lighting in many places. Their energy-saving, cost-effectiveness and attractiveness make them a great choice for various applications.