Abstract: Objective To analyze the diagnosis and treatment of renal carcinoma in pilots． Methods Clinical data about 6 renal carcinoma pilots (including their medical history, diagnosis, treatment and fying conclusion) adm itted to our hospital from January 2008 to December 2012 were retrospectively analyzed． Results Among the 6 pilots, renal carcinoma was detected in 4 in their annual physical examination, in 1 due to microscopic hematuria in urine test，and in 1 due to interm ittent right waist pain accompanying gross hematuria． Only one kidney was involved in the 6 pilots and only one renal carcinoma was detected in each pilot． Carcinoma was detected in the left kidney of 4 pilots and in the right kidney of 2 pilots． The maximal average diameter of renal carcinoma was 3．2±1．6 cm． Of the 6 pilots, 2 received traditional surgical treatment and 4 underwent laparoscopic operation． The carcinoma was partially removed in 3 pilots and completely removed in 3 pilots． The pilots were diagnosed with hyaline cell cancer． Two pilots were observed on ground within 3 months after operation and 3 resumed fying． Conclusion Renal carcinoma is usually detected in pilots in physical examination without symptoms． Its prognosis is good if treated in time． Most renal carcinoma pilots can resume their fying after treatment．