Localized pain after 3 years of minimally invasive thyroid surgery may be due to local nerve injury, scar tissue pulling and irritation. Although the incision of minimally invasive thyroid surgery is very small, it will inevitably injure the surrounding soft tissues, nerves, etc. to cause pain and discomfort, or the scar tissue of the surgical incision pulls the surrounding fascia, skin, etc., resulting in a certain degree of pain. 1. Local nerve injury: thyroid surgery may cause some damage to the smaller subcutaneous cutaneous nerves in the neck. People with sensitive senses may experience pain or numbness in the neck for a long period of time after the surgery, which may be related to the cutaneous nerve injury. 2. Scar tissue pulling stimulation, after minimally invasive surgical treatment, the subcutaneous fibrous tissue hyperplasia repair, the formation of scar, resulting in greater tension in the neck, in the process of turning the head or lowering the head, pulling the surrounding fascia, skin, etc., resulting in a certain amount of pain, at this time, the pain is dull, will not be particularly sharp. After minimally invasive thyroid surgery, you need to do a good job of local wound care to avoid infection, as long as the wound heals normally, there will be no sequelae. If you still have pain 3 years after minimally invasive thyroid surgery, you can consult a doctor in time and follow the doctor’s instructions for further examination and treatment.