Dragonball ointment does not work for blisters on burns. For scald, mild scald, such as hot water, steam and other contact with the skin, can cause minor scald, manifested as redness and swelling of the skin surface, accompanied by obvious pain, but there is no blisters, if blisters appear, it may be moderate scald. Longzhu Ointment acts to clear away heat and detoxify the toxin, reduce swelling and relieve pain, and dispel decay and regenerate muscle. It is suitable for sores, redness, swelling, heat, pain and mild burns. It is therefore not suitable for blisters caused by moderate burns or above. Adverse reactions of Longzhu Ointment may be local tingling sensation; contraindication is prohibited for those who are allergic to the product; local redness, swelling, heat and pain aggravated by the application of the drug or accompanied by chills and fever, it is advisable to go to the hospital for consultation. If the blisters appear to burst or symptoms worsen, it is recommended to go to the regular hospital immediately by the doctor to avoid delaying the condition.