Usually the symptoms of a snake bite will show within 24h, and patients who do not show any symptoms for more than 24h usually have no major problems. Snake bites are divided into non-venomous snake bites and venomous snake bites, if the ordinary snake bites, just in the human body of the injured skin to leave small teeth marks, there will be a slight stinging pain, may be localized blisters, will not cause a systemic reaction, should be bitten without major problems. If it is bitten by a venomous snake, the wound will see a pair of deep and thick fang marks, the patient in a few minutes or ten minutes will have local and systemic manifestations, the localization will be manifested as swelling, pain, tingling sensation. Systemic manifestations will be local wound numbness, swelling, loss of sensation, dizziness, drowsiness, nausea, vomiting, and even swallowing difficulties, eyelid ptosis, diplopia, severe respiratory distress, decreased blood pressure, shock, or vomiting blood, blood in the stools and other conditions, severe renal failure can be caused. It is recommended that after being bitten by a snake, pay attention to clean the wound to prevent infection, you can apply iodine disinfection, the patient should eat more fresh fruits and vegetables food, containing a large number of vitamins and minerals, which can effectively make the snake venom damage to the nervous system recovery.