Maifan stone ceramic ball has the character such as purifying water quality, increase the biological activity of water, improve the body's physiological function and adjust the pH value by two-way regulating. If drinking the water that treating by maifan stone ball for a long time, that can protect liver, invigorating stomach, diuresis, stable and healthy blook pressure, improve blood circulation, preventing sickness, anti-cancer, prolong life, protect skin and beaty face, strong bones, develop brains, promoting growth, stop bleeding and detumescence. It widely used in medical, food and health, environment protection, water quality improvement, beverages, wine, medicine, deodorant, crops, flower cultivation, poultry, aquaculture etc. industries. Maifan stone is produced from porphyritic pea gravel in the valley , named maifan stone because of its appearance is similar to rice. It is a kind of mineral health healing stone with biological activity. It can dissolve out 42 kinds of elements including 14 kinds trace elements which human body need and 15 kinds rare earth elements. The water treated by maifan stone can increase the minerals in the water to active the Ion of water, it also can absorb the toxic substances because of pollution. and change the water into the clean active mineral water. Just because of these character of maifan stone, our maifan stone ceramic ball can dissolve out Zinc and Metasilicic acid. their contents can up to the National Standard for drinking water. After the testing of toxicology experiment and radioactive by National Health Department and prove that the Maifan stone ball is poisonless and harmless to human body.