Digital healthcare is a new type of modernized medical treatment that applies modern computer technology and information technology to the entire medical process, and is the direction of development and management goal of public **** healthcare. The emergence of digital medical equipment has greatly enriched the connotation and capacity of medical information. From the visualization of one-dimensional information, such as electrocardiogram (ECG) and electroencephalogram (EEG) and other important electrophysiological information; to two-dimensional information, such as CT, MRI, color ultrasound, digital X-ray machine (DR), and other medical imaging information; and then three-dimensional visualization, and even access to four-dimensional information, such as real-time dynamic display of the three-dimensional heart. This information has greatly enriched the diagnostic techniques of doctors, enabling medicine to enter a new visualization of the information age. In the 2016 budget released by the U.S. Department of Veterans Affairs, mHealth and digital health care as the focus of investment, set aside 1.2 billion dollars to invest in digital health care projects.