Before closure, patients should be relieved of fear, apprehension and pessimism according to their personality, occupation and cultural training, so that they are in an optimal psychological state when receiving treatment: there is a very close relationship between human anxiety and pain perception, the more severe the anxiety, the lower the pain valve of the organism, and the increased sensitivity to pain in patients with high psychological fear…. If tolerance is poor, lie down for injection and remember not to push away or pull out the syringe by hand to avoid unnecessary injury Talk about something pleasant to distract attention and avoid syncope caused by vasopressor reaction through vagus nerve action due to painful puncture stimulation. Prevent infection after sealing Because the skin of the foot is rougher and less muscular, the needle opening takes longer to heal after injection, and if the patient wears sandals and it rains, rain, dust, dirt and other contamination of the needle opening can easily cause infection. Therefore, after local sealing of the foot, press for more than 1Omin, if you wear sandals, you can use a little sterilized cotton and then seal the needle opening with adhesive tape, in case of rain, you can advise the patient to come back another day. Within one week after local sealing: dry the foot promptly after bathing, do not soak in water, do not stick to dirt and sewage, and wear socks and shoes with wrapped soles when going out.