安达市地处黑龙江省松嫩平原中西部干旱地区,有21个乡(镇),712个自然屯,45.4万多人口,现有耕地157万亩,草原270万亩。多年来干旱障碍着农业生产的发展。氟病危害着人们的身心健康:全市患有氟骨症病人达11078人,氟班牙患者有22万多人,患病人口占全市总人口的50％以 Anda City is located in the arid area of ​​the central and western parts of the Songnen Plain in Heilongjiang Province. There are 21 townships (towns), 712 natural villages and more than 45.4 thousand people. There are 1.57 million mu of cultivated land and 2.7 million mu of grassland. Drought has hampered the development of agricultural production for many years. Fluorosis endangers people’s physical and mental health: The city has 11,078 patients with skeletal fluorosis, and there are more than 220,000 patients with fluoride fluorosis. The affected population accounts for 50% of the total population of the city.