According to the different degree of urgency of the onset of the disease, lymph node nodal disease can be divided into acute nodal disease and subacute, chronic nodal disease: 1, acute nodal disease: acute nodal disease manifested as bilateral hilar lymph node enlargement, arthritis and erythema nodosum, often accompanied by fever, muscle pain and discomfort, 85% of the patients in one year of spontaneous remission. 2, subacute, chronic nodal disease: 30% to 40% can palpate the enlarged lymph nodes, do not fusion, movable, no tenderness, no formation of ulcers and sinus tracts, to the neck, axilla, humerus medial epicondyle, inguinal lymph nodes are most often involved. At the same time, about 1/3 of patients may have non-specific manifestations, such as fever, weight loss, weakness, malaise and night sweats.