If the skin is red after scalding, if there are no blisters, this is a first-degree burn, which generally does not require special treatment, but needs to be flushed with cold running water immediately after scalding to reduce the local skin temperature. At this time about 3 to 4 days that can be self-receding, and does not leave a scar. However, care should be taken to protect the wound, and if there is an obvious burning sensation, a thin layer of grease can be applied to the wound to protect it. In addition, care should be taken to avoid secondary injury and contamination of the wound to avoid secondary infection.