Whether mediastinal lymph node enlargement can use hot water to soak the feet needs to be judged according to the actual situation of the patient, if the feet are not obviously broken and infected, this situation can be hot water to soak the feet. Enlarged mediastinal lymph nodes are common in lymphatic system tumors, nodal disease, lymphatic tuberculosis and many other diseases; in general, when inflammatory lymph nodes are enlarged due to local infections, it is possible to use hot water to soak the feet if there is no obvious broken infection in the feet. The use of hot water foot soak can promote the dissipation of local inflammation, for the alleviation of the condition has certain benefits. When patients with enlarged mediastinal lymph nodes have enlarged lymph nodes due to the invasion of lymph nodes by tumor lesions, it is generally not recommended to use hot water to soak feet, and the use of hot water to soak feet may lead to the proliferation of cancer cells, and even the phenomenon of metastasis of tumors in many places of the whole body. Whether patients with enlarged mediastinal lymph nodes can use hot water to soak their feet needs to be judged according to the actual situation of the patients under the guidance of doctors, so as to avoid delaying the condition.