The treatment of online fraud is as follows: 1. Keep rational, keep transaction or chat information in time, report the case in time, so that the public security organ can solve and investigate the case. 2. When giving an alarm, you can dial 110 or go to the police station of the cheated place to give an alarm. At the same time, provide relevant clues and evidence, and wait for solving the case after reporting. 3. If the amount of fraud is small, the perpetrator will be punished by public security. If the amount of fraud is more than 3000 yuan, it shall constitute a crime of fraud. The crime of fraud refers to the act of defrauding a large amount of public or private property by fabricating facts or concealing the truth for the purpose of illegal possession.
 Legal basis
 Article 266 of the Criminal Law of the People's Republic of China
 Whoever swindles 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 and shall also, or shall only, be fined; If the amount is huge or if there are other serious circumstances, he shall be sentenced to fixed-term imprisonment of not less than three years but not more than 10 years and shall also be fined; If the amount is especially huge or if 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 sentenced to confiscation of property.