Objective:To investigate the distribution of constitutional pattern among cases of population at high risk susceptible to Nasopharyngeal Carcinoma (NPC). Methods: Using the closed questionnaire,we surveyed the distribution of constitutional patterns among the members which included 40 cases of population at high risk susceptible to NPC, 16 cases of untreated NPC patients,38 cases with NPC survived for more than one year after treatment, and 118 cases of nasopharyngitis. The investigate datas were analyzed by SPSS(10 0). Results:Predominant pattern of constitution was vacuous pattern among the ...