With the rapid development of civilization, the demand for energy is increasing. Energy can be in the form of electricity. To meet the challenge, various methods have been proposed. Reduce human energy needs. Non-essential consumption should be minimized. On certain days of the year, people around the world turn off their electricity for 1 hour to save energy which is called "Earth Hour". Modern appliances that consume energy should only be used when absolutely necessary. Energy conservation is possible through modernization of plants and equipment. People should replace outdated devices with modern ones. Energy can be saved during transportation by the following methods. People should travel by rail rather than by car and truck. Transport must be improved to save energy. First of all, we should use electricity more efficiently and reduce electricity bills. Save electricity at home by using low-energy light bulbs, turning off lights when leaving the room. We need to turn off the TV when not watching, turn off the lights before going to bed. Besides, do not leave the refrigerator door open for a long time, which consumes electricity. In short, we should do our best to save energy for our future and our planet.