1, to obtain an electronic official seal: an electronic official seal is required. This can be obtained by scanning the official seal of the entity or directly making the official seal by using the electronic contract platform. Select electronic signature software: select appropriate electronic signature software, such as electronic signature, security signature, etc. These softwares usually provide the function of stamping electronic contracts.

2. Create an electronic official seal: in the electronic signature software, upload a picture of your electronic official seal, and set relevant parameters according to the prompts of the software, such as the identity of the signer and the signing time. Add an electronic official seal to the contract: click the Add Official Seal button in the relevant position of the electronic contract to add the created electronic official seal to the contract. At this point, your electronic contract already contains the official seal and has legal effect.

3. Keep the picture of the electronic official seal clear and complete. When adding the electronic official seal, please ensure that the picture is clear and complete, so as to avoid unnecessary disputes between the two parties. Pay attention to protecting the safety of electronic official seal. The signer verifies his identity by means of face recognition, mobile phone verification code and bank card verification, so as to ensure the authenticity and reliability of the signer and the signing process.