Ultrasonic diagnostic apparatus

The utility model relates to portable ultrasonic diagnostic apparatus which is suitable for field mobile environment. The ultrasonic diagnostic apparatus comprises a casing, a battery, a power supply, a digital signal processing plate, a transmitting control analog front end plate, a liquid crystal display (LCD), a keyboard plate and an ultrasonic probe, wherein, the battery, the power supply, the digital signal processing plate, and the transmitting control analog front end plate are arranged in the casing, and the LCD, the keyboard plate and the ultrasonic are arranged on the casing; the transmitting control analog front end plate is electrically connected with the digital signal processing plate, the power supply and the ultrasonic probe respectively; the ultrasonic probe and the keyboard plate are connected to a digital signal control plate; the keyboard plate adopts a capacitance induction type touch keyboard plate; a layer of transparent plastic cladding is covered outside the keyboard plate to serve as