Hi @관리자,
Teams reactions can be retrieved from audit log.
Here is a link which has a detailed introduction on this topic for your reference:
Teams Reactions Captured in Audit Records
Please Note: Since the web site is not hosted by Microsoft, the link may change without notice. Microsoft does not guarantee the accuracy of this information.
You can connect to Exchange Online Powershell with an account which has the required permissions and use this script to get a report for Teams reactions.
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