夏秋季节，各种毒蛇活动频繁，而人们又常在户外，被毒蛇咬伤的事情时有发生。为了尽量减少伤亡，被毒蛇咬伤后的救护十分重要，一般应做到以下几点：绑扎伤肢当人被毒蛇咬伤后，第一步要立即绑扎伤口的上方，阻止流脉血的回流、减少毒液的扩散。结扎要争取在咬伤后1－3分钟内 Summer and autumn, all kinds of poisonous snakes frequent activities, and people are often outdoors, bitten by venomous things have occurred. In order to minimize casualties, ambush after being bitten by poisonous snakes is very important, generally should do the following: Banding injured limbs When a person is bitten by a poisonous snake, the first step is to immediately bind the top of the wound to prevent the flow of blood backflow , To reduce the spread of venom. Ligation to fight within 1-3 minutes after bite