Legal analysis: 1. The standard for filing and prosecuting the crime of fraud is that the value of public and private property is more than 3000 yuan to 1 10,000 yuan. 2. The standard for filing and prosecuting the crime of contract fraud is: if the amount is more than 20,000 yuan, it should be filed for prosecution. Regarding the crime of loan fraud in Article 193 of the Criminal Law of People's Republic of China (PRC), only the sentencing for this crime is stipulated, but there is no clear standard for filing a case and the specific standard for a huge amount. According to the relevant laws and regulations, if the amount of fraud is more than 20,000 yuan, 300- 100 yuan is a huge amount, and more than 500,000 yuan is a huge amount.

Legal basis: Article 193 of the Criminal Law of People's Republic of China (PRC): Under any of the following circumstances, whoever defrauds a bank or other financial institution for the purpose of illegal possession, if the amount is relatively large, shall be sentenced to fixed-term imprisonment of not more than five years or criminal detention, and shall also be fined not less than 20,000 yuan but not more than 200,000 yuan; If the amount is huge or there are other serious circumstances, he shall be sentenced to fixed-term imprisonment of not less than five years but not more than ten years, and shall also be fined not less than 50,000 yuan but not more than 500,000 yuan; 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 not less than 50,000 yuan but not more than 500,000 yuan or confiscated property:

(a) fabricating false reasons such as introducing funds and projects;

(two) the use of false economic contracts;

(3) using false documents;

(four) the use of false proof of property rights as a guarantee or repeated guarantee beyond the value of collateral;

(5) obtaining loans by other means.