To open a digital store on Douyin, the following conditions are usually required:

1. Real-name authentication: You must complete the real-name authentication of your Douyin account to ensure the authenticity and legitimacy of your identity.

2. Audit requirements: Ensure the legality, authenticity and safety of the digital products sold, and do not sell pirated, counterfeit, fake, prohibited or infringing goods.

3. Registration qualifications: Provide legal merchant registration qualifications, such as business licenses, to prove that your store is legally operated.

4. Brand authorization: If the products you operate involve well-known brands, you need to provide authorization or cooperation with the relevant brands.

5. Category requirements: Depending on the different subcategories of digital products, you may need to provide relevant certificates or qualifications, such as mobile phone sales require relevant business licenses.

6. Good business records: Have certain sales and transaction records to prove that your store has certain business strength and credibility.

Please note that the above conditions are for reference only. In actual operation, you must also follow the latest regulations and requirements of the Douyin platform to accurately apply and review the process. It is recommended to understand and comply with the relevant policies and rules of the platform in detail before opening a store to ensure legal operation and provide a good user experience.