The initial password of the electronic tax bureau is 123456 or abc 123456 or the last six digits of the legal person ID number. If you still can't log in to the electronic tax bureau after trying the above three passwords, you can bring a statement of the situation with the official seal and the identity certificate of the agent to the tax service hall to reset the password. The password of electronic tax bureau not only has the function of information encryption, but also has the functions of digital signature, identity verification, secret sharing and system security. Therefore, the use of cryptography can not only ensure the confidentiality of information, but also ensure the integrity and availability of information, and prevent information from being tampered with, forged and counterfeited. This also ensures the security of information. The password of the electronic tax bureau is very important, which is related to the tax deduction of enterprises, so if you feel that your password may be leaked, you need to modify it in time.