"Home Medical Device AR Assistant" is a basic Android platform application that is used to help users who need to purchase and use related medical devices more intuitively understand the product and its basic use. The work is divided into two modules: AR recognition and popular science. In the AR recognition module, users can scan the corresponding medical model through the recognition map. On the basis of this model, users can play the animation of the model itself, zoom in, zoom out or rotate the model and other operations to view the model in detail. In this module, product descriptions such as graphic presentation and video description are also added to enable users to understand the operation such as product use more intuitively,, in terms of language settings, dialect selection is added, and users can choose according to their own habits. The popular science module mainly introduces some precautions and some medical knowledge about the use of home medical devices to users.