It is generally effective to sign a contract by fingerprint. According to the relevant provisions of China's civil code, as long as the parties sign and seal the contract, it has legal effect. Fingerprint, as one of the important evidences to confirm the guarantee, has the same effect as signature.

Legal objectivity:

Article 490 of the Civil Code of People's Republic of China (PRC): If the parties conclude a contract in the form of a contract, the contract is concluded when the parties sign, seal or fingerprint it. Before signing, sealing or fingerprinting, one party has fulfilled its main obligations, and the contract is established when the other party accepts it. A contract shall be concluded in written form as stipulated by laws, administrative regulations or agreed by the parties. If the parties do not do this in writing, but one party has fulfilled its main obligations and the other party accepts it, the contract is established.