近年来由于生态环境改变,大气温室效应使气温升高,而且炎热的气候持续时间延长,促使蛇的活动增加,原来罕见的郊区地带也有蛇类频繁地出现;夏季人们户外活动多,着装少,这些因素导致近年北京蛇咬伤患者增加。另外,由于人们膳食结构中对毒蛇肉的青睐,在捕蛇、贩蛇、养蛇、杀蛇等过 In recent years, due to changes in the ecological environment, the air temperature increases the temperature of the atmosphere, and prolonged hot climate, prompting the snake’s activities increased, the original rare suburbs also snake frequent; summer people outdoor activities, less clothing, These factors led to the increase of snake bites in Beijing in recent years. In addition, due to people’s diet in the snake meat of all ages, in snake hunting, snake trafficking, snake snake, kill snake and so on