Legal analysis: Electronic signature contract has legal effect. According to China's civil code, data messages are concluded in the form of e-mail and electronic data exchange. If the content can be tangibly expressed and can be retrieved and consulted at any time, it shall be regarded as a written form. In addition, China's "Electronic Signature Law" has similar provisions on contracts signed by electronic signatures. With the development of society, network economy has changed the development of electronic signature field, and electronic signature contract has legal effect.

Legal basis: Article 469 of the Civil Code of People's Republic of China (PRC), the parties may conclude a contract in written form, orally or in other forms.

Written form refers to contracts, letters, telegrams, telexes, faxes and other forms that can tangibly express the contents contained.

A data message that can tangibly express its content through electronic data interchange, e-mail, etc. , and can be retrieved at any time, are considered in writing.

Article 5 of the Electronic Signature Law of People's Republic of China (PRC) * * * A data message that meets the following conditions shall be deemed to meet the original form requirements stipulated by laws and regulations:

(a) It can effectively express the content and can be used at any time;

(2) It can reliably ensure that the content remains complete and unchanged from the time it is finally formed. However, adding endorsements to data messages and changing forms in the process of data exchange, storage and display do not affect the integrity of data messages.