Recently instead of the old fashioned, traditional explorative laparotomy the newer up-to-date procedure, the diagnostic-staging laparoscopy has been generally used in the everyday surgical practice of the Authors. Evaluating 32 diagnostic and staging laparoscopy Authors draw the attention to the importance of this procedure which has high diagnostic value, and reduces the complication rate. Biopsy, cytology, frozen section can be done. Authors carries out diagnostic and staging laparoscopy in cases of esophageal, liver, stomach and pancreas tumours just immediately before surgery.