Hi alexwan,
Assuming the Excel file you're using is an email list you've uploaded into Qualtrics to distribute the survey, you'll want to use the Pipe Data feature to pull the names from your contact list into the question.
If you have the names assigned to First Name and Last Name in your contact list, follow these instructions: https://www.qualtrics.com/support/survey-platform/survey-module/editing-questions/piped-text/piped-text-overview/#PipingFromAContactListField
If you have the names assigned as Embedded data fields in your survey, follow this: https://www.qualtrics.com/support/survey-platform/survey-module/editing-questions/piped-text/piped-text-overview/#PipingFromAnEmbeddedDataField