Objective:To observe the level of serm soluble E-selectin(sE-selectin) in patients with pulmonary tuberculosis and to study the clinical significance of it. Methods: the sE-selectin levels of the serum were measured by enzyme-linked immunoadsorbent assay(EILSA) in 40 untreated patients, 20 patients who had been treated for 2 months with pulmonary tuberculosis and 20 normal individuals.Results: In compared with controls, the average serum levels of sE-selectin were much higher in patients with pulmonary tuberculosis( P