The utility model discloses a control ultrasonic examination power device of light and handy formula mainly includes: slide damper, spring unit, pilot lamp and shell body four bibliographic categoriesbranch. Slide damper can carry out the back -and -forth movement along with ultrasonic probe, and conductive contact piece is installed to its below. Spring unit sets up to four groups altogether, and wherein the two sets of supporting spring in both sides are used for supporting slide damper, and middle two sets of instruction springs are used for forming closed circuit, utilize the inspection of two LED lamps of external power supply separately -driven in order to instruct current ultrasonic probe. The utility model discloses ultrasonic probe's inspection can be monitored to the device under no pressure sensor and built -in power supply's the condition, improve ultrasound probe's image quality.