The toenail of the foot grows into the meat, forming paronychia. There is no fundamental solution. I once went to the hospital to pull out my toenail for three times, and it still looks good. The only way is to go to the pedicure house every month and ask a pedicurist to trim off the part of my toenail that grows into the meat as much as possible, so that I can only keep my toenail in a state for a while without pain. ...