A sewing machine includes a display device, a display data storage device storing pattern display data for displaying each sewing pattern on the display device and pattern group display data for displaying on the display device a pattern group indication mark indicative of each of a plurality of pattern groups obtained by classifying the sewing patterns, a selecting operation device selecting one of the sewing groups and further either or any one of the sewing patterns contained in the selected pattern group, and a display control device which, when one of the pattern groups has been selected, causes the display device to display the pattern group indication mark indicative of the selected sewing pattern group on the display device firstly in an enlarged size and subsequently in a reduced normal size, based on the pattern group display data of the selected pattern group.