Not really. The signature in the satisfaction survey of travel agencies is used to confirm the true identity of the respondents and their willingness to participate in the survey. The signature itself does not directly represent the validity and credibility of the survey results. The role of signature is to confirm the authenticity of the participants, so as to prevent misleading or malicious manipulation in the investigation process. It can be used as an auxiliary means to increase the credibility of the investigation results. The signature itself cannot guarantee the accuracy and representativeness of the survey results.