Go to the homepage of the APP, click Login in the upper left corner to enter the login interface, enter the registered mobile phone number and password (non-web version of the electronic tax bureau account password), and then click Login. Gesture login can be set later in the settings. After successfully logging into the APP as a natural person, the system will automatically associate all enterprises where you are the legal representative, financial controller and tax collector. When handling enterprise business, open the avatar in the upper left corner, click personal identity, select enterprise, and switch to enterprise identity.