Take a small amount of realgar to smoke clothes, pants, shoes and socks for prevention work; Hide the "realgar garlic pill" in your pocket. Snakes have a keen sense of smell. They like the smell of fish, but they hate the smell. Drugs with strong aromatic smell can drive away snakes. ) On the way, trekking poles and tree sticks can be used to constantly hit the ground, grass and tree trunks, so-called startle the snake to avoid insects and snakes. Snakes are very sensitive to vibrations from the ground, but their hearing is very dull and they can't accept air-borne sound waves. Talking loudly has no effect on driving away snakes. ) Wear high-waisted shoes and trousers, and tighten the trouser legs if necessary; Wear a hat or straw hat when entering the jungle. Snake dung has a special fishy smell. If you smell a special fishy smell, you should pay attention to the possibility of snakes nearby. When encountering poisonous snakes, their eyesight is very weak, and they can only see the objects nearby, and it is difficult to see the objects beyond 1 m; Insensitive vision, blind to static objects, can only identify very close moving objects. Stay still after encountering a poisonous snake. Don't run away in a straight line when poisonous snakes chase people. You can take the zigzag route to escape. Snakes have a small lung capacity and feel weak after climbing a distance. You can also stand still, face the poisonous snake, watch it come and hide from side to side. The movement of the snake's vertebral body is limited by a certain angle, so it is impossible to turn around and try to hide behind the snake. If possible, hit the poisonous snake on the head with a trekking stick or a wooden stick. When you meet a poisonous snake and see the light (fire) chasing you, put out the headlights and flashlights and throw away the torches. If there is realgar wine, it can be sprayed on the snake, and the snake will be weak and slow. Note: Agkistrodon acutus is particularly sensitive to infrared rays; King cobra is big and fierce. It will take the initiative to attack people. When it bites, it will bite hard, and the death rate after injury is very high.