Objective To know the developed situation of endemic fluorine poison after improving cooking stove,counter measurements and strategy can be made.Methods According to the prior project,individuals in Fangcun village,Jiehu village were randomly selected as samples to investigate the situation of fluorosis and fluorine content in outer environment in Fangcun township of Changshan county.Results The fluoine content of residential drinking water,for most jar water(dated),was(0 715±0 697)mg/L,higher than tha...