The five-step snake is a very toxic snake and if bitten accidentally and the toxin spreads without any treatment, the patient will die within about 6 hours. If bitten by a five-step snake, it is important to remain calm and make emergency treatment within 5 minutes. First, the wound needs to be expanded according to the snake’s teeth marks, but not too large. If there is no drug tool next to the wound, squeeze the wound with your hand to expel as much toxin as possible, while using a rope-like item tied tightly over the wound to slow down the blood flow back, or you can use ice on the wound to slow down the blood flow locally. Second, must not be strenuous activity, should immediately call the hospital emergency number, inform the specific situation and location. Finally, an anti-venom should be administered at the hospital. In addition, it should be noted that five-step snakes do not die after being bitten and taking five steps, but in the face of a crisis situation must remain calm and carry out the above first aid measures.