PURPOSE: A contact ultrasonic diagnosis apparatus is provided to not form a space between a probe and a target object by closely contacting the probe to the target object. CONSTITUTION: A fluid supplying part(20) supplies fluid pressure. A fluid expansion part(30) is formed into a strip shape. The fluid expansion part is wound around the circumference of a target object(10). The fluid expansion part is connected to the fluid supplying part. The fluid expansion part is expanded by the fluid pressure. A checkup part(40) is connected to the fluid expansion part. The probe is carried from the checkup part.
