The aim of the study was the analysis of chosen nutritional habits and physical activity among patients qualified for bariatric surgery. The research was conducted by questionnaire method. The results of the study show that number and regularity of meals was improper. Everybody snack, eg. sweets. About 50% of researched read information on the food packages, but only few participants paid attention to the nutritional and energy value of food products. TV and radio were the main source of nutritional information. Nutritional behaviors men and women were different. The level of physical activity was low.