Patients with small bumps on the side of the neck, the common causes are mainly the following: a. Local pore blockage can cause acute inflammation of the hair follicle when it is manifested as small bumps-like protrusions, often accompanied by mild local swelling and pain. At this time, it is recommended that patients use Ruyi Jinhuang cream or energetic iodine gauze for continuous external application, while oral amoxicillin and other drugs can be taken to strengthen anti-infection treatment. Most patients can absorb the small bumps on the neck by themselves after 5-7 days of active treatment, and can often achieve better treatment results. Second, if the patient is accompanied by malignant thyroid tumor, the tumor cells invade the lymph nodes in the neck, which can also form lymph node metastasis and form small pigeon egg-like changes. At this time, it is suggested that patients should improve the ultrasound examination of thyroid gland to clarify the scope and size of thyroid tumor, and then perform radical thyroid cancer treatment plus lymph node dissection as soon as possible. After the operation, it can be combined with iodine-131 treatment to completely kill the tumor cells in the body and clear the small bumps in the neck, so as to achieve better treatment effect.