Shiyuan manfanshi cames from maifanshi area in shenzhou city zhejiang province. This mining area is one of the four biggest maifanshi mining area of China, and has ample maifanshi resources. Reconnoitre through the field of More than two years by the maifanshi special disquistion group of geological ore department of zhejiang province, A large amount of rock ores are appraised; silicate, microelement, lanthanon, radioelement; and maifanshi powder soak out water and analysis its quality, poisonous, harmful element absorb analysis experiment of performance all, and acute venomousness adsorb bacilli experiment test job etc., It is qualified to be tested from the geological scientific research inspection center in the province in 1988. Now maifanshi products of shenzhou have already been sold to Japan in batches. According to the information of the 1990 census data''s, , this town of villager''s average life span: Man is 74. 8 years old, women is 75.5 years old, exceed the average levels of the whole country and the whole province, It is main because local villagers are benefited in maifan shi and maifanshi mineral water including microelement for a long time.