After stepping on mercury with bare feet, it is necessary to observe the skin integrity, and if there is any skin breakage, it is necessary to seek medical treatment promptly. 1. Observe skin integrity: After stepping on the mercury with bare feet, immediately observe whether there is any open wound such as breakage of the skin in contact with the mercury. If the skin is not broken, localized cleaning can be. 2. Rinse the mercury: mercury can be absorbed through the skin, if there is mercury residue on the skin surface should be rinsed with flowing water in a timely manner, wash the residual mercury to prevent mercury infiltration. 3. Handling of mercury: patients with unbroken skin need to handle the mercury on the surface of the skin in a timely manner after washing, to prevent harm to others. 4. Timely medical treatment: If there is damage to the skin of the foot when stepping on the mercury with bare feet, you can apply egg or milk to the wound to hinder the absorption of mercury, and then seek medical treatment in a timely manner. Mercury should be placed in a safe place in daily life to prevent children from contacting or even accidentally eating it. Adults should pay attention to the safe use of mercury when taking it, especially mercury thermometers and other easily accessible mercury products. When mercury is accidentally ingested or enters the body through wounds, medical attention should be sought as soon as possible to prevent mercury poisoning.