Tongue image acquisition system and method based on Android handheld terminal and embedded terminal

The invention discloses a tongue image acquisition system and method based on an Android handheld terminal and an embedded terminal. The tongue image acquisition system comprises the embedded terminaland the handheld terminal; the embedded terminal is in communication connection with the handheld terminal and is in communication connection with a server that is remote; the embedded terminal is used to acquire a tongue image, compress and encrypt the tongue image, and communicate with the handheld terminal and the server; the handheld terminal is provided for a doctor and is used to acquire the tongue image compressed and encrypted, decrypt and decompress the tongue image, and display the tongue image; the handheld terminal is also used to acquire feedback information of the doctor to thetongue image; the embedded terminal acquires the tongue image again or uploads the compressed and encrypted tongue image to the server on the basis of the feedback information. The system and method allow a tongue image to be