Bitten by aspen need to take immediate general treatment, and should also seek medical treatment promptly. 1. General treatment: After being bitten by an aspen, patients should immediately squeeze the wound from proximal to distal to avoid contaminated blood from entering the circulation. Some patients can also use running water or soapy water to rinse the wound, use iodine povidone to disinfect the bite wound. If accompanied by swelling, pain phenomenon, can be wrapped in towels, ice packs local ice packs to relieve. 2. Medical treatment: patients can seek medical treatment to cooperate with the doctor to further disinfection of the bite site, if bitten by tianniu allergic reaction, can follow the doctor’s instructions with cetirizine, loratadine and other antihistamines, zalustat, montelukast and other anti-leukotriene drug treatment. Those with obvious inflammation can use glucocorticosteroids such as cortisone and prednisolone if necessary. It is recommended that patients find that they have been bitten by the aspergillus, take timely measures to minimize the impact on the health of the organism, if the redness, swelling and itching is significant, it is necessary to seek medical treatment in a timely manner.