According to a method for collecting user skin condition information using the Internet of the present invention, in a method implemented through a system including at least one computer that implements a designated blockchain network or interworking with a blockchain network, a medical institution designated by a user terminal or When the skin condition information for each user in the form of an electronic document or a digital content provided from a server or terminal of a skin condition measuring institution is transmitted, the skin condition information collection unit performs skin condition information for each user in the form of an electronic document or a digital content from the user terminal. , And the skin condition information storage unit stores and manages the skin condition information of each user, which is mapped in the form of electronic documents or digital contents, and the user's skin condition information in the specified database, and the specified buyer's skin condition information. When the skin condition information purchase registration information for purchase is registered, the token deposit unit is purchased from the purchaser to proceed with the purchase of skin condition information corresponding to the skin condition information purchase registration information among tokens issued through the designated blockchain network or Perform the procedure of depositing the issued token into the specified electronic wallet for skin condition information purchase, and the purchaser's skin condition information purchase registration information is announced through the web or app so that at least one user registers the known skin condition information purchase When requesting the transaction of skin condition information based on information, the skin condition information transaction unit provides the user's skin condition information stored in the database as a storage medium for the purchase of the skin condition information of the buyer,
