To open an Alibaba online store and apply for a business license, you need to prepare the following materials: Proof of identity: You need to provide a valid proof of identity, such as an ID card or passport. Proof of address: You need to provide a document that can prove your address, such as a real estate certificate, a lease contract, or a residence certificate issued by the neighborhood committee. Store information: You need to provide the name, business scope, business address and other information of the store. Business registration application form: You need to fill out the business registration application form and attach relevant supporting documents. When preparing these materials, please make sure that they are all authentic and valid, and meet the requirements of the local industrial and commercial administrative department. The specific procedures for applying for a business license may vary from region to region. It is recommended that you consult the local industrial and commercial administrative department for detailed procedures and requirements.