Legal analysis: forging another person's signature on the contract to defraud the other party's property, with a large amount, is suspected of constituting the crime of contract fraud.

Legal basis: Article 224, paragraph 1 of the Criminal Law of People's Republic of China (PRC) is under any of the following circumstances. For the purpose of illegal possession, in the process of signing and performing a contract, fictional units or other people's names are used to defraud the other party's property. If the amount is relatively large, he shall be sentenced to fixed-term imprisonment of not more than three years or criminal detention, and shall also or only be fined; If the amount is huge or there are other serious circumstances, he shall be sentenced to fixed-term imprisonment of not less than three years but not more than ten years and shall also be fined; If the amount is especially huge or there are other especially serious circumstances, he shall be sentenced to fixed-term imprisonment of not less than 10 years or life imprisonment, and shall also be fined or confiscated.