Legal analysis: the consequences of enterprises not filing tax returns are: 1. Failing to file tax returns within the time limit stipulated by the tax bureau, the tax authorities will impose a fine of more than 200 yuan per month on the enterprise in addition to paying back the tax. Late fees will be charged if the overdue time is long. If the circumstances are serious, the tax authorities will impose a higher fine according to the seriousness of the circumstances. Failing to file tax returns with the tax registration authority for three consecutive months, the tax registration authority will impose a fine on the enterprise. After cancellation, it will be impossible to recover, that is, all the licenses of the enterprise will be invalid one after another due to the cancellation of the tax registration certificate. 3. If the tax registration certificate is cancelled without the consent of the tax registration authority, it will apply to the issuing authority for cancellation, and all other certificates of the company will be invalidated one after another. 4. The identity card information of all shareholders of the company will be blacklisted by the relevant registration authorities. In the future, loans, reinvestment, and going abroad will all be affected.

Legal basis: Article 62 of the Law of People's Republic of China (PRC) on Tax Collection and Administration, if a taxpayer fails to file tax returns and submit tax information within the prescribed time limit, or a withholding agent fails to submit a tax withholding report and relevant information to the tax authorities within the prescribed time limit, the tax authorities shall order it to make corrections within a time limit and may impose a fine of less than 2,000 yuan; If the circumstances are serious, a fine of not less than two thousand yuan but not more than ten thousand yuan may be imposed.