Sanfu paste is a kind of ointment, the main component of which is white mustard seed. By applying herbs directly on acupuncture points, it promotes the discharge of evil Qi from the body, thus playing a role in curing and preventing diseases. The symptoms of local skin blistering after the use of San Fu paste, generally do not represent the body has a disease problem, but usually considered as a result of thermal stimulation or allergic reaction to the San Fu paste, so for the cause of timely treatment can be: a. Thermal stimulation: 1, small blisters: in general, if the symptoms are light, small blisters, only accompanied by mild local skin flushing, burning and mild tingling, usually considered by the San Fu paste itself on the This is a normal phenomenon, most of which can subside on their own, so patients need not worry too much; 2, large blisters: If the blisters are large, consider the thermal stimulation is too heavy, the paste is too long, then you need to go to the hospital in a timely manner, use a strictly sterilized needle to pick through the blisters, drain the pus, and use sterile gauze for bandaging, pay attention to regular drug changes, avoid water on the affected area, so as not to appear infection. Second, allergic reactions: If the blisters appear along with severe itching, tingling and other symptoms, usually caused by allergies, patients need to immediately remove the trifloxacin patch from the skin, can use water or saline to wash the local skin, which helps reduce the drug residue on the skin surface, and under the guidance of a professional doctor oral loratadine tablets, cetirizine hydrochloride tablets and other antihistamines, but also according to the specific circumstances, combined with Topical application of boric acid solution, mometasone cream and other drugs can help relieve symptoms. In addition, it is important to note that before using the Sanvu paste, people with severe drug allergies and skin diseases should not use it to avoid skin discomfort, blisters, papules and aggravated allergies. And if the patient is in angina pectoris, acute heart failure, or suffering from acute myocardial infarction and other heart diseases, it is not recommended to use the Sanvu paste, so as not to use the stimulus to increase the burden on the heart, resulting in aggravation of the disease.