First, bitten by venomous snakes: In the wild, such as snake bites occur in patients with bleeding, localized swelling and pain and other symptoms, severe cases will die within a few hours. Time must quickly with strips of cloth, handkerchiefs, neckties, etc. will be wound tightly enclosed top to prevent the venom spread, and then sterile knife wound gash in a 1 cm long, deep incision of about 0.5 cm, mouth to suck out the venom. There is no damage, such as oral mucosa, which can play a digestive fluid and in effect, so we do not have to worry about poisoning. Insect bite or sting when: Use cold water cold, pull out the thorn and then coated ammonia or milk.

Second, fracture or dislocation: The splint and then deposited with the cold. Fall from the trees or rocks to injury to the spine, it will be placed on a flat and solid patient stretcher fixed, let your body sway, and then taken to hospital.

Third, food poisoning: spoilage of food eaten, in addition to be abdominal pain, diarrhea, also accompanied by symptoms such as fever and weakness, should drink plenty of those drinks or salt water, the method can also be taken to induce vomiting the food spit it out.

4, wild swim lost distinguish North and South: You can find a tree stump observation, annual ring width side is the South; can observe a tree, its lush foliage and the north side of the south side while sparse; can observe the ants caves, holes are mostly south-facing; in many parts of the rock, you can find a rock striking to observe, a moss-covered rock on the north side, dry side of the south side bare; watches can also be used to identify the direction of: Are you in which the time divided by 2, then the quotient obtained alignment sun dial 12 is referred to in the direction of the north.

5, travel, thunderstorms and how to do the event: Do not rock, the cliff and the entrance to the tunnel to avoid thunderstorms, the current from these places will be created through the arc were damaged shelter from the rain. If the cave deep, you can try hiding inside. Do not ride or horse riding in the thunderstorm, lightning strike would give the body. Do not hide in an isolated cabin in the wilderness. To leave the ground, do not shelter under a tree in the arc. Stay away from metal objects. The car is the ideal place to escape the lightning strike, even if the lightning hit the car, that they would hurt. If swimming or in the boat, we should immediately go ashore. Even in the big boat, we should also hide under the deck.

Source: 21CN