2. Alkaline water has moderate mineral and trace element content, while acidic water does not contain mineral and trace elements. 3. Acid is the source of all diseases in the human body, so drinking acidic water for a long time is harmful to the body. 4. Alkaline water can change the acidic constitution and has obvious therapeutic effect and positive therapeutic significance on sub-health and chronic diseases. 5. Acidic water is mostly pure water. Long-term drinking can cause rickets in children and osteoporosis in adults and the elderly. It is called "bone-cutting water". 6. Alkaline water can improve the state of intoxication after drinking alcohol.