1. Ultrasonic diagnostic equipment, comprising: an ultrasonic probe that transmits/receives ultrasound to/from an examined body; a probe position sensor that detects the position and the direction of the ultrasonic probe; an image generator that generates image data based upon the output of the ultrasonic probe; a probe position sensor that detects the position and the direction of a puncture probe inserted into the examined body; a display image generator that generates the data of a display image in which the end position of the puncture probe is fixed to a specific position in an image display area according to the detected position and direction of the ultrasonic probe and the detected position and direction of the puncture probe based upon the image data; and a display that displays the display image in the image display area.