Being electrocuted by 220v is dangerous, but the specific situation should also be judged according to the degree of the patient being electrocuted. When the human body by 220v electric shock may destroy human organs, if there is dizziness, headache, breathing difficulties or weakness and other uncomfortable symptoms, you need to go to the emergency department of the hospital in a timely manner for examination and diagnosis, and according to the severity of the emergency treatment in accordance with the medical advice to minimize the risk of reducing the hazards brought about by the electric shock. After being 220v electricity if there is no obvious discomfort, it is recommended that close observation for about 24 hours, if the follow-up does not appear uncomfortable, it is considered that there is no damage to the organism, pay attention to rest, the emergence of uncomfortable reaction to seek medical attention. 220V is not a safe voltage for the human body, will cause harm to the human body to a certain extent, so you need to pay attention to protection in life, to avoid current damage to the body, if you are accidentally electrocuted, you need to go to the hospital in time to check the diagnosis, to carry out a comprehensive examination, to avoid misunderstanding of the condition caused by the serious impact.