1. You should not be too full before treatment. Bathe or wash the affected area with warm water, and inform the doctor if there is any skin breakage or infection. 2.If there is dizziness, nausea, panic or discomfort during treatment, you should inform the doctor in time. Guan Yuan, Department of Pain, The First Affiliated Hospital of Tsinghua University 3.Sometimes the local pain can be aggravated after the treatment, which is a reaction to the drug and usually reduces to disappear within 24-48 hours. 4.After treatment, numbness, fever, sweating, abnormal sensation and other reactions may occur locally and in the corresponding area. This is the normal reaction of the drug, which can disappear in a few hours. 5.After the treatment, you should take a rest for about 20-30 minutes as prescribed by the doctor and leave the hospital only after the doctor agrees. If you feel unwell, please inform the doctor or nurse in time. 6.After the treatment, you should pay attention to rest, avoid excessive and strenuous exercise, keep the skin at the injection site unbathed for 48 hours, and keep it clean and dry. 7.Patients with diabetes, hypertension and coronary heart disease should inform the doctor actively during the consultation. 8.Patients who have experienced “dizziness” or drug allergy should inform the doctor before receiving treatment.