If the finger looks like it has been stabbed by a thorn and the thorn cannot be found, it is recommended to consult a doctor in time and have the doctor take appropriate treatment, such as physical therapy, surgery, etc. Finger like being stabbed and can not find the thorns, often indicates that the penetration is too deep, or the thorns are very small. It is recommended to go to the hospital in time to deal with it, otherwise it will be retained in the skin for a long time, causing local inflammation and suppuration. Physical therapy can be considered, such as laser to remove the thorn and the surrounding skin tissue together with gasification; can also consider the use of surgical debridement, using a syringe needle or tweezers to clean up layer by layer. To summarize, if you have a thorn in your finger, you should seek medical attention if you can’t handle it on your own. Hospitals will have microscopes and smaller instruments, it is more convenient to deal with, and the hospital will be aseptic treatment, treatment will be sterilized, can avoid renewed infection. After treatment, it is recommended to take antibiotics such as amoxicillin to prevent infection and tetanus antitoxin injection to prevent tetanus.