My tax returns have been 66 day already
I still don't get my refund.
What does the IRS tracking web site say about the status of your refund? https://www.irs.gov/refunds
This info may help you better understand the process: https://ttlc.intuit.com/community/articles/community-news-announcements/where-s-my-tax-refund-how-to-check-your-refund-status/05/1173697