A medical image processing apparatus according to a present embodiment includes processing circuitry. The processing circuitry is configured to accept an operation for a region of interest (ROI) GUI and a guide GUI on a screen on which a medical image is displayed, the ROI GUI being for setting a ROI on the medical image, the guide GUI being for guiding a setting of the ROI on the medical image. The processing circuitry is configured to decide whether to move the ROI GUI and the guide GUI in a manner interlocked with each other or not according to a preset condition, when a turning operation or a sliding operation for any one of the ROI GUI and the guide GUI is accepted.