A fraud of 500 yuan does not meet the "large amount" standard and cannot be filed as a criminal case. The public security organ will only file a criminal case if the amount defrauded reaches more than 2,000 yuan. Being defrauded of 500 yuan does not constitute a criminal case. However, it is a public security penalty and can be reported to the public security organ.

Top ten common fraud methods:

1. Substitute fulfillment method for counterfeit and inferior products. When signing the sales contract, the fraudulent party presented genuine samples of higher quality, but substituted fake defective products of poor quality during performance;

2. Non-performance or incomplete performance of the fraud law. When one party has no ability to perform the contract or has a certain ability to perform the contract, it has no sincerity in performing the contract since the conclusion of the contract, but wants to use fraudulent means to get the other party to perform the contract. After defrauding the other party to perform the contract, illegally possess the money or products performed by the other party, but no longer perform the contract, causing the other party to suffer heavy losses;

3. Forging product quality appraisal certificates or marking laws. The supplier does not have the product or the product quality is not up to standard, but in order to defraud the payment and induce the other party to sign a contract, the supplier forges the quality appraisal certificate or mark of the product, and the other party believes it after seeing it and concludes the contract. After the other party performs the performance, the supplier does not Then perform the reciprocal performance and escape;

4. Fake registered trademark goods to lure signatures. In order to induce the other party to sign a contract and defraud money, one party passes off its own fake and inferior products as registered trademark goods. The other party signs a contract with the other party because it trusts the registered trademark goods. After fulfilling the contract, it is discovered that it has been deceived;

5. Law of false representation of patented products. One party falsely claims that its product is a patented product or a famous product, taking advantage of the other party's lack of information, traffic congestion, lack of experience, and the sense of mystery or trust in the "patented" or "famous" product to cause the other party to fall into a wrong understanding of the right to use the product. The supplier signs a contract with the other party when the other party's intention is untrue to promote its own fake and inferior products;

6. Misappropriation of the name of other units. One party steals the official seal or contract seal or blank contract of another unit through illegal means, and without the other party knowing that he is an unauthorized contractor, in order to obtain illegal benefits, he signs a sales contract with the other party and obtains the other party's rights. The money or property performed by the parties;

7. Fake units to deceive the law. The so-called fake units, also known as "leather companies", refer to units that do not exist at all or are not legally registered. Such a unit has no registered capital, no fixed location, no operation and management facilities, and even employees are fake. A very small number of criminals in society often use privately carved official seals or special contract seals to defraud business licenses to establish so-called "fake units", and then pretend to be the chairman or business manager of a certain unit to sign a contract with the defrauded party, and wait for the other party to make a decision. After fulfilling or prepaying the payment, fleeing with the money;

8. False price fraud law;

The supplier causes the demander to enter into a contract with it under a misunderstanding and obtains from it Illegal benefits. This kind of fraud is usually achieved through so-called "big price cuts", "big sales" and "big clearance" activities;

9. The so-called long-term big fish fraud method. That is, "playing the long game to catch the big fish". The characteristics of this fraud method are:

(1) First, the fraud party has signed and performed several small contracts with the defrauded party before committing the fraud. Pay a small deposit, and perform the contract actively and smoothly, creating the illusion that you have strong contract performance ability, abide by the contract and keep your credibility, and then deceive the other party's trust, and then falsely claim that it is due to production and living needs, sign a large sales contract, and defraud a large amount of goods or money;

(2) The second is that the deceiver knows the deceived party very well, and the deceived party’s understanding of the deceiver is an illusion. Only after being deceived does it realize that the deceiver’s original words were purely lies;

(3) Third, after committing a fraud, the fraudster often evades or hides.

10. Double fraud law in buying and selling.

Hope the above. It can be helpful to you. If you have other questions, please consult a professional lawyer.

Legal basis: "Criminal Law of the People's Republic of China"

Article 266 Whoever defrauds public or private property, if the amount is relatively large, shall be sentenced to fixed-term imprisonment of not more than three years, Criminal detention or public surveillance, together with or solely a fine of a huge amount or other serious circumstances, shall be punished with a fixed-term imprisonment of not less than three years but not more than ten years; if the fine amount is particularly huge or there are other particularly serious circumstances, the person shall be sentenced to a fixed-term imprisonment of not less than ten years or life imprisonment , and shall be fined or property confiscated. If this law provides otherwise, the provisions shall prevail.