俗话说:“一朝被蛇咬,三年怕草蝇。”被蛇咬的确是可怕的事,不仅会造成伤残,还能致人于死地。据不完全统计,全世界每年被蛇咬伤的人不少于50万,其中80%的人死亡。因此,人们在森林、草丛中旅游、玩耍,千万注意防蛇咬,因为那里是毒蛇出没的场所。一般来说,蛇都是有毒的,只是由于它们的毒牙长的位置不同,有的能咬伤人,有的则不能,所以才有毒蛇和无毒蛇之分。通常,人们把毒蛇分成两类:一类叫神经毒,一类叫血液毒。典型的神经毒,咬伤部位不痛不痒,不红肿,但几小时后发作,患者会神志不清,全身瘫痪, As the saying goes: “once bitten by a snake, three years afraid of grass flies.” Snake biting is indeed a terrible thing, not only cause disability, but also cause death. According to incomplete statistics, no fewer than 500,000 people are bitten by snakes every year in the world, and 80% of them are dead. Therefore, people in the forests, grass travel, play, pay attention to snake bite, because there is venomous venues. In general, snakes are poisonous, only because of their different positions of fangs, some can bite people, while others can not, so there is no distinction between poisonous and non-poisonous snakes. Often, snakes are divided into two categories: one is called neurotoxicity, and the other is called blood poisoning. Typical neurotoxicity, bites site painless, not inflamed, but a few hours after the attack, patients will be confused, paralyzed,