Snake bite is an easily neglected public health problem and self-help first aid is vital. Many snake bite patients lack the correct common sense of self-help, and even take the wrong and harmful methods, missing the golden time of first aid for venomous snake bites and delaying treatment with serious consequences. The lighter the hospital stay, the heavier the economic burden; the heavier the disability and death, causing incalculable losses to individuals and families. I. Common mistakes after snake bite: 1.Grab the snake to death; 2.Run to the rescue site; 3.Strangle the wounded limb to block; 4.Fire the wound to extinguish the poison; 5.Cut and bleed to detoxify; 6.Use the mouth to suck the poison; 7.Turn to the village doctor to use traditional treatment; 8.Wait until the condition worsens and then go to the hospital. The correct way to save yourself after being bitten by a snake: 1. Get away from the danger as soon as possible; 2. Try to remember the characteristics of the snake and take pictures when possible; 3. Call the emergency number 120 for help; 4. Third, snake bites also need to know two things: 1, antivenom is the only effective antivenom for snakebite poisoning, the earlier the effect of the application of the better; 2, snake bites need to prevent tetanus.