If only a relatively small splinter, and into the finger location is relatively shallow, do not take out the general impact is not great. Wooden thorns tend to absorb water and swell and fall off on their own, but they should be regularly observed during this period, and once localized redness, swelling and pain are detected, they need to be removed in a timely manner. Otherwise, it will lead to skin infection. If it is relatively large thorns, and into the fingers of the location of the deeper, not timely removal of the more serious, easy to cause secondary infection, resulting in abnormal skin pain, redness, edema, etc., will cause pus and ulceration of the finger skin in serious cases. In this case, you need to remove it in time and do a good job of local sterilization care. In order to prevent secondary infection, it is generally recommended to remove the splinter in time and inject tetanus antitoxin to prevent tetanus. If you are unable to remove it by yourself, you should seek medical attention.