Silver nitrate, known as silver nitrate ointment, is a disinfectant and antiseptic, and should be used in accordance with medical advice. Silver nitrate ointment, the name of the western medicine, for disinfection and antiseptic drugs, the main ingredient is silver nitrate, light yellow flowable hydrophilic matrix ointment, the color gradually changes to brown when exposed to light, can play an anti-inflammatory role, but also can play an antibacterial effect, used to prevent and control burn wounds of superficial Ⅱ ° infection. Adverse reactions are not known. It is contraindicated for those who are allergic to this product. Pregnant women, lactating women, children, the elderly should be used with caution, patients should be coated and used under the guidance of burns physicians, can not be applied on their own, can not be applied to the eyes, the emergence of local erythema, congestion, burning sensation, hives and other allergic symptoms during the use of the drug, the application should be stopped immediately, and seek medical attention in a timely manner. Patients must remove the original ointment on the wound before using the medicine, to prevent the wound from contamination or water, secondary infection may be, to maintain the hygiene and dryness of the wound site, it is recommended that patients with discomfort, timely medical attention, do not blindly self-treatment, so as not to delay the condition.