Long tendon bag on the left side of the neck, commonly vascular disease localized venous dilatation, will also be manifested as a local fluctuating swelling, and even have obvious symptoms of soreness, pain and discomfort. Ultrasonography can also confirm the diagnosis, and there are many patients with developmental abnormalities as a result. If necessary, surgical treatment is also an option to remove the localized tissue, and postoperative care should also be taken to prevent infection. Enlargement of the lymph nodes in the neck may also occur, and many patients present secondary to upper respiratory tract infections or viral infections, which may also be characterized by significant pain accompanied by fever. Effective anti-inflammatory treatment, antiviral therapy, localized masses can also gradually reduce and disappear. In severe cases, if there is no significant improvement, further surgery is required to remove the lesion for pathologic examination.