A method provided for automatic skin care applied in an automatic skin care device capable of communicating with a cloud sever includes the following steps. An image of a skin of the user is captured and converted into a medical image. The medical image is transmitted to the cloud server, allowing an authorized user of the cloud server to analyze the medical image to determine a state of the skin of the user and determine a skin care suggestion corresponding to the determined state of the skin. The determined state of the skin and the determined skin care suggestion is obtained. The skin is cleaned and/or maintained according to the determined skin care suggestion.
