Legal analysis: forging the signature of the guarantor, the validity of the guarantee contract is to be determined, and it will not have legal effect without the ratification of the guarantor.

If so, it may be suspected of loan fraud; In addition, from a civil point of view, it means that there is no actual guarantor.

Forged signatures and fingerprints belong to forged evidence, and legal responsibilities can be investigated according to the purpose and circumstances of forged evidence.

Legal basis: Article 307 of the Criminal Procedure Law of People's Republic of China (PRC) prevents witnesses from testifying or instructs others to commit perjury by violence, threat or bribery, and shall be sentenced to fixed-term imprisonment of not more than three years or criminal detention; If the circumstances are serious, they shall be sentenced to fixed-term imprisonment of not less than three years but not more than seven years.

Whoever helps a party destroy or forge evidence, if the circumstances are serious, shall be sentenced to fixed-term imprisonment of not more than three years or criminal detention.

Any judicial officer who commits the crimes mentioned in the preceding two paragraphs shall be given a heavier punishment.