Nails grow into the flesh to cause pain, such as has caused local redness and swelling, then you need to go to the hospital for examination and standardized treatment. If you wear small-sized shoes for a long time, it is easy to squeeze your nails, which not only tends to cause nails to grow into the flesh, but may even cause onychomycosis. You can choose comfortable socks and large size shoes. If the pain persists and cannot be relieved, or the local area is obviously red and swollen, you should go to the hospital in time, under the guidance of the doctor to control the inflammation, topical antibiotics, such as erythromycin ointment, mupirocin ointment, levofloxacin ointment and so on; you can also take antibiotics by mouth, such as amoxicillin, ceftriaxone and cefoperazone and so on. If the symptoms are more serious, when the inflammation is effectively controlled and the pain is significantly reduced, surgical treatment can be taken to pull out the nail and cut off the excess nail bed to prevent recurrence. After surgery, change the medication regularly and keep the wound dry and minimize exposure to water until a new nail grows. Nails that grow into the flesh are painful, if the symptoms have not been relieved, you should go to the hospital for treatment.