If we only refer to drinking natural mineral water, there should be no green food in the mineral water. Green food refers to products produced in a good ecological environment, produced in accordance with green food standards, implementing full quality control and obtaining the green food label. The right to use safe, high-quality edible agricultural products and related products. The catalog of applicable standards for green food products stipulated by the state includes: 1. Planting industry product standards (NY/T 285-2012 Green Food Beans, NY/T 288-2012 Green Food Tea, NY/T 2140-2012 Green Food Substitute Tea, NY /T 289-2012 green food coffee, NY/T 654-2012 green food cabbage vegetables, etc.); 2. Livestock and poultry product standards (green food dairy products NY/T 657-2012, green food poultry meat NY/T 753 -2012, green food bee products NY/T 752-2012, green food eggs and egg products NY/T 754-2011, green food meat and meat products NY/T 843-2009, etc.); 3. Fishery product standards (green food Shrimp NY/T 840-2012, green food crab NY/T 841-2012, green food NY/T 842-2012, green food seashells NY/T 1329-2007, green food algae and its products NY/T 1709-2011 etc.); 4. Processed product standards (Green Food Beer NY/T 273-2012, Green Food Wheat and Wheat Flour NY/T 421-2012, Green Food Fruit (Vegetable) Sauce NY/T 431-2009, Green Food Plant Protein Beverage NY/T 433-2014, etc.). There is no mineral water or purified water. The water used in the production of green products refers to the national standard GB 8537-2008 for drinking natural mineral water, and the GB 19298-2014 national food safety standard for packaged drinking water.