全世界共有蛇类2500种,其中毒蛇约650余种,威胁着十亿人口的广大地区。估计每年被毒蛇咬伤的人数在30万以上,死亡率约为10%。我国两广地区蛇害严重,每年蛇咬伤的发病率约为万分之二十五。我国蛇类有160余种,其中毒蛇约有50余种,有剧毒、危害剧大的有 There are 2,500 species of snakes in the world, of which about 650 species of poisonous snakes threaten the vast area of ​​one billion people. It is estimated that more than 300,000 people are bitten each year by poisonous snakes and the death rate is about 10%. Snakes are severe in China’s Guangdong and Guangxi Provinces, and the incidence of snake bites is about 25 percent per year. There are more than 160 species of snakes in our country, of which there are about 50 species of poisonous snakes. There are poisonous and dangerous creatures.