Symptoms of swollen lymph nodes: 1. If the swollen lymph nodes are caused by bacterial infection, the patient will have redness, swelling, pressure pain and fever on the skin surface, and the swollen lymph nodes will be soft in texture. 2. If the swollen lymph nodes are caused by chronic lymphadenitis, they are mainly confined to swollen lymph nodes, which also have pressure pain and do not exceed 2-3 cm in diameter. 3. The number of lymph nodes is large, the lymph nodes are adherent to each other and have poor mobility, and in severe cases, they may break down, accompanied by fever, excessive sweating and fatigue. 4. If the lymph nodes are simply swollen, the lymph nodes are not significantly enlarged, and the patient does not have obvious symptoms such as fever, fatigue and emaciation, it is fine to continue observation in this case.