Impetigo is also known as yellow water sores and pustular rash. Causes It is a purulent skin disease caused by Staphylococcus aureus or Streptococcus haemolyticus, or a combination of both. Symptoms of the disease: 1. In summer and autumn, it is common in preschool children. 2. History of contact infection, or pruritic skin disease first. 3. It occurs in exposed areas such as the face and extremities. 4.The damage is a cluster of pustules of mung bean to soybean or larger, or initially blisters, rapidly cloudy and purulent, surrounded by a red halo, thin walls, broken to reveal the vesicular surface, dry to form a pustular crust, often orange, no scarring after healing. 5.Itchiness of different degrees. 6, near the lymph nodes swollen, extensive can be accompanied by chills, fever and other systemic symptoms. Newborns and frail children may develop sepsis and even death. Treatment and care 1. Local treatment The principle of protection, antipruritic, drying and antibacterial is applicable to those with a small number of rashes and limited scope. If the wall of the blister is not broken, apply 10% sulfur and glycerine lotion, or antibacterial cream, such as Bactrim, fusidic acid, and rub it several times a day. For larger pustules, puncture the wall of the pustule with a sterile needle, clean the wound with sterile solution, and then apply antibacterial ointment externally. If there is more exudate, use disinfectant solution for wet compress. 2.Systemic treatment If the damage is extensive or the systemic symptoms are obvious, oral or intravenous antibiotics can be considered. Observation and prevention 1. Pay attention to cleanliness and hygiene and protect the integrity of the skin. The child’s clothes, toys and utensils should be disinfected to avoid cross-infection. 2.Prevent the spread of the disease by autoinoculation. Scratching or rubbing should be avoided. If there is pruritic dermatosis, it should be treated accordingly.