How to get rid of lateral cervical lymph nodes needs to depend on its causative factors. The swollen lateral cervical lymph nodes are most commonly caused by bacterial and viral infections, such as upper respiratory tract infections, dental infections, and parotid infections, etc. Oral antibiotics, such as cephalosporin, penicillins or ribavirin, can be taken. It can also be combined with medications to clear heat and lower fire, such as Shuang Huang Lian Oral Liquid, which can make the enlarged lymph nodes gradually subside. There is also a common cause of swollen lymph nodes due to thyroid disease, which requires a hospital visit to check thyroid ultrasound, thyroid function, and also nuclear scan to clarify the nature. If the swollen lymph nodes are caused by benign masses, some of them can be followed up regularly without special treatment. If it is caused by thyroid cancer, commonly due to lymph node metastasis, radical tumor surgery and lymph node dissection are required, as well as other diseases, such as lymphoma. In conclusion, persistent enlargement of lymph nodes on the side of the neck requires prompt medical consultation to clarify the condition.