In the 4 billion-year history of the Earth's development, water has played and continues to play a crucial role in the formation of life and the formation of the biosphere. From time immemorial, scientists around the world have always paid attention to drinking water, noting that it plays an incomparable role in human life. The problem of fresh water has become a topical socio-economic problem in the world today, and the ways to solve it, unfortunately, are not at the desired level. To this end, the world community is taking certain measures and looking for optimal ways to protect and use water efficiently. To this end, on March 22, 2005, the world community celebrated World Drinking Water Day, and 2005-2015 was declared a decade by the United Nations under the motto "Drinking Water for Life". It is a fact that The problem of drinking water has bothered humanity as a secular problem. If the price of a liter of fresh water has reached the level of oil in some countries today, it is not difficult to imagine a tense situation in the future. Currently, drinking water has become a commercial object in many countries. Developed European countries such as Germany, the Netherlands and Denmark buy drinking water from Sweden, shops in Japan sell bottled water from Norway, and water is supplied from the mainland of the People's Republic of China via the Hong Kong pipeline, which has a population of 4 million. Saudi Arabia buys drinking water from the Philippines and Singapore from Malaysia by tanker. It is not difficult to imagine a tense situation in the future. Currently, drinking water has become a commercial object in many countries. Developed European countries such as Germany, the Netherlands and Denmark buy drinking water from Sweden, shops in Japan sell bottled water from Norway, and water is supplied from the mainland of the People's Republic of China via the Hong Kong pipeline, which has a population of 4 million. Saudi Arabia buys drinking water from the Philippines and Singapore from Malaysia by tanker. It is not difficult to imagine a tense situation in the future. Currently, drinking water has become a commercial object in many countries. Developed European countries such as Germany, the Netherlands and Denmark buy drinking water from Sweden, shops in Japan sell bottled water from Norway, and water is supplied from the mainland of the People's Republic of China via the Hong Kong pipeline, which has a population of 4 million. Saudi Arabia buys drinking water from the Philippines and Singapore from Malaysia by tanker. Hong Kong, with a population of 4 million, is supplied with water from the mainland of the People's Republic of China via a pipeline. Saudi Arabia buys drinking water from the Philippines and Singapore from Malaysia by tanker. Hong Kong, with a population of 4 million, is supplied with water from the mainland of the People's Republic of China via a pipeline. Saudi Arabia buys drinking water from the Philippines and Singapore from Malaysia by tanker.