Small needle knife and injection therapy is a common treatment for orthopedic diseases, the treatment process will be carried out in strict accordance with the operating procedures of our medical staff, but also please cooperate with you to do the following precautions: 1, please sit in the waiting area of the clinic for 15 minutes, and no adverse reaction before leaving, in case of dizziness, nausea, vomiting, cold sweat and other phenomena, please inform the nurse immediately. 2, please immediately press the hemostatic patch for 10 minutes before removing it after 24 hours to avoid infection. 2. Please press the hemostatic patch immediately for 10 minutes, the hemostatic patch can only be removed after 24 hours, and the injection site should not touch water within 24 hours to avoid infection. 3. Minimize the activity of the injected joints within three days. 4. Soreness, swelling, pain and other symptoms within three days are normal reactions. If you experience redness, swelling, heat, etc., please go to the orthopedic clinic or contact your attending doctor.