Abstract: Objective 　To investigate the gast ric cardiac cancer prevalence in esophageal cancer high risk area in Linzhou city. Methods 　Endoscope examination with iodine staining and index biop sy screening method was used in esophageal cancer early detection and early t reatment demonst ration field station in Linzhou city. We also biopsy in cardiac ridge area where is the high incidence area of cardiac cancer. All esophageal cancer and gast ric cardiac cancer was confirmed f rom biopsy pathological diagnosis. Results 　 Fif teen cases of esophageal cancer and 22 cases gast ric cardiac cancer were found in 3163 subject s who attended the screening. Conclusion 　The prevalence of gast ric cardiac cancer is also in high level in esophageal cancer high risk area in Linxian. Regularly biopsy at cardiac ridge area can detect precancerous lesion and early stage gast ric cardiac cancer.