Small spikes in the fingernail can be removed with tweezers if they are not too deep, while deeper spikes or spikes that are broken in the flesh need to be removed with surgical treatment.
A small thorn in the nail can be removed with tweezers. First, clean the skin around the wound, rinse the dirt and dust around the wound with water, and sterilize it with alcohol if possible or if you see redness and swelling around the wound. After that, use tweezers to hold the splinter and slowly pull it out of the skin, taking care not to break it. Sterilize the wound with alcohol or povidone-iodine to prevent infection.
If the splinter in the fingernail is too deep to be removed with tweezers, the nail should be surgically cut open after disinfection to remove the splinter, and the wound should be properly bandaged.
If you have a thorn in your fingernail, you should seek medical advice and remove it under the guidance of a doctor.