Fingernail cover was smashed bruise swelling, can be through the general treatment, drug treatment, surgical treatment, etc., specific please follow the doctor’s instructions. 1. General treatment: cold compresses can be applied to the fingernail at the initial stage of injury to reduce oozing and prevent swelling from worsening; hot compresses can be applied to the fingernail 48 hours after the injury to promote the subsidence and absorption of hematoma and edema. 2. Medication: Consider taking oral medication to promote blood circulation, such as Panax ginseng tablets and Yunnan Baiyao capsules. If accompanied by obvious pain, you can use ibuprofen, acetaminophen and other drugs to relieve. 3. Surgery: If the hematoma increases in size (nail deformity), consider nail extraction. If there is a fracture, the bone needs to be reset surgically. If the hematoma cannot be relieved by general treatment, the patient should consult a doctor for targeted treatment, and should not blindly self-medicate.