The tax ukey password is 888888. After the tax Ukey billing software system is installed, insert tax Ukey, run the billing software, and the tax Ukey password input box pops up. Enter the tax UKey password (initial password is 8888888) and set the password. The initial password of the digital certificate is 88888888 (it must be modified). If the password is locked, it needs to be unlocked and reset by the competent tax authorities; The initial password of the administrator is empty, and taxpayers can choose whether to set the administrator password according to their own needs. When I went to tax, there was a note with the steps and password written on it. The password of the ukey device is 6 octets 123456. Tax Ukey refers to the encryption equipment issued by tax authorities to taxpayers for tax business. Ukey stands for "USBKey" and is a pluggable USB encrypted smart card. It uses encryption algorithm and password technology to ensure the taxpayer's identity and information security.