If you feel a small ball on your chin, you should have a higher likelihood of cervical lymph nodes. Lymph nodes are located under the skin and are mostly long or oval in shape and movable when touched. Lymph nodes are the body’s immune organs, there is inflammation lymph nodes will respond to the increase, such as ever had a cold, toothache, rhinitis, pneumonia, etc., can make the lymph nodes in the neck increase. So the lymph nodes increase, no special treatment is needed, you do not need to worry too much, if the lymph nodes are enlarged and accompanied by pain, mostly caused by acute inflammation, oral cephalosporin anti-inflammatory drugs, 5-7 days will do. If it is not accompanied by any pain, it does not need special treatment, usually drink more water, pay attention to rest, exercise more, and improve the body immunity can.