Helping the letter to commit a crime of 6,543,800 yuan was sentenced to fixed-term imprisonment of not more than three years or criminal detention. The crime of helping the letter cover is mainly calculated according to the bank transaction flow. The specific sentencing of the crime of helping the letter depends on both running water and profit. If the amount reaches 1 10,000 or more, you basically need to bear criminal responsibility. For the crime of helping the letter, if the bank's running water exceeds 1 10,000, it will be sentenced to actual punishment. In actual cases, it usually takes about a year, and even there is no prosecution, so it is necessary to take personal circumstances as the standard. Legal basis: Article 287 bis of the Criminal Law of People's Republic of China (PRC) helps others to commit crimes on the information network, knowing that others use the information network to commit crimes, providing them with technical support such as Internet access, server hosting, network storage, communication transmission, or providing assistance such as advertising promotion, payment and settlement. If the circumstances are serious, he shall be sentenced to fixed-term imprisonment of not more than three years or criminal detention, and shall also or only be fined. Where a unit commits the crime mentioned in the preceding paragraph, it shall be fined, and the persons who are directly in charge and other persons who are directly responsible shall be punished in accordance with the provisions of the first paragraph. Whoever commits the acts mentioned in the preceding two paragraphs and constitutes other crimes at the same time shall be convicted and punished in accordance with the provisions of heavier punishment.