Legal analysis: The best way to recover the funds cheated by foreign exchange arbitrage is to call the police. Because all the illegal gains of criminals must be returned to the victims.

Legal basis: Article 64 of the Criminal Law of People's Republic of China (PRC) stipulates that all property illegally acquired by criminals shall be recovered or ordered to make restitution; The lawful property of the victim shall be returned in time; Contraband and personal articles used in crimes shall be confiscated. Confiscated property and fines shall be turned over to the state treasury and shall not be misappropriated or disposed of by themselves.