Login method and system of private device

The invention discloses a login method and system for private equipment, and the method comprises the steps: a second client sends a pkey request to a platform, so as to generate a two-dimensional code; the first client scans the two-dimensional code to obtain a pkey and sends a request for creating bkey and authorization code information to the private device; sending the pkey, the public key information of the private device, the domain name of the private device and the bkey obtained from the private device to the platform; the second client generates a random temporary symmetric key for decrypting the response data of the private device, and generates encrypted information according to the random temporary symmetric key and the acquired bkey, public key information and authorization code information; and based on the domain name of the private device, sending the encrypted information to the private device so as to log in the private device. According to the method and the device, the problem that the use