Patients with lymphadenitis can eat fresh vegetables and fruits, such as cabbage and spinach, as well as bananas and apples, and can eat protein-rich foods, such as lean meat, fish, and soy products. Lymphadenitis is very common. After this disease occurs, the lymph nodes become swollen and painful, and there is even weakness, fever, and pressure pain in the lymph nodes when palpated. When lymphadenitis is diagnosed, anti-inflammatory treatment must be given promptly, either by oral antibiotics or by intravenous infusion, depending on the severity of the inflammation. During anti-inflammatory treatment, patients can eat the above-mentioned foods, which can provide rich vitamins, trace elements, proteins and other nutrients, which can improve resistance and promote the remission of inflammation. Patients are advised to visit the hospital in a timely manner and need to complete relevant tests, such as ultrasound and blood tests, to be able to confirm the diagnosis and to be able to determine the severity of the inflammation before deciding how to treat it.