A valid electronic contract shall meet the following conditions: 1, the original data message, which can reliably keep the content intact and tamper-proof, and meet the original form and file preservation requirements stipulated by law; 2. Electronic signature, which can identify the signer and signature time, prevent tampering, and meet the requirements of effective electronic signature stipulated by law; 3. The identity has been effectively authenticated by a third party and meets the authentication requirements stipulated by law. Legal basis: Article 3 of People's Republic of China (PRC) Electronic Signature Law. In civil activities, the parties may agree to use or not use electronic signatures and data messages. A document in the form of electronic signature or data message agreed by the parties shall not be denied its legal effect just because it is in the form of electronic signature or data message.