The toenail is bumped up and did not fall off, generally do not need to pull out, if infection occurs, then you need to go to the hospital for nail extraction treatment. Toenail after being bumped up belongs to the external force caused by the toenail detachment, if the toenail has been detached half, if there is no obvious symptoms, generally do not need to pull out, because the toenail will naturally fall off, and then grow a new toenail. If infection occurs and there is purulent discharge, you need to go to the hospital in time and be treated by nail extraction. After the operation, you should pay attention to prevent infection, do not wear tight shoes, and change the medicine regularly to avoid deformity of the new toenail. If your toenail is bumped up and does not fall off, there may be other conditions, such as onychomycosis. Please consult the hospital in time for active treatment.