Nails cut deep will recover, usually after a week or so when the nail grows out gradually. Nails belong to a kind of connective tissue, keratin is the main component belonging to the nail, belonging to the keratinized cortex. Due to metabolism, nails will grow gradually, even if you cut your nails too deep when you cut your nails, the nails will still grow out slowly, just that the metabolism of each person is different and the recovery time is different. It is recommended that you do not cut your nails too deeply, as this may damage the skin at the nail site and cause bleeding, which is not only painful, but may also lead to fungal or bacterial invasion, causing secondary infections. If bleeding occurs, disinfect and stop bleeding in time. To summarize, the nails cut deep will recover, not recommended to cut too deep, if there is an abnormal situation, you can promptly seek medical treatment.