Legal analysis: 1. Apply to the tax authorities for cancellation of tax registration, receive and fill in the Application Form for Tax Liquidation, the Registration Form for Tax Liquidation in duplicate and the Application Form for Cancellation of Tax Registration in triplicate.

2. Apply to the local industrial and commercial bureau for cancellation of the business license of the sole proprietorship enterprise. It is also to fill in the form, hand in the original business license of the sole proprietorship enterprise, and wait for the answer.

3. Need to entrust an intermediary agency to issue a tax payment report. If you owe taxes, pay them and close all bank accounts.

4. With the tax payment report, tax liquidation application form, tax liquidation registration form, tax cancellation approval form, tax registration (original and duplicate), code stamp, invoice card, IC card, encryption box, blank invoice, the decision of the superior competent department or shareholders' meeting to cancel the enterprise, and the official seal provided by the cancellation enterprise, go through the cancellation formalities at the local tax cancellation department.

Legal basis: Article 35 of the Measures for the Administration of Registration of Sole proprietorship enterprises. Anyone who engages in business activities in the name of sole proprietorship without the approval and registration of the registration authority according to law shall be ordered by the registration authority to stop business activities and be fined not more than 3,000 yuan.