Fishbone wounds can cause localized infections in the injured hand, and in severe cases, some systemic manifestations may occur. Fishbone injury can cause different degrees of infection according to the site and depth of the injury, mainly including: purulent dactylitis, skin infection, and even cause deep interstitial infection of the palm. It can be judged according to the local symptoms of the patient’s hand and the systemic symptoms that may occur. 1. If the fish pointer is located in the fingertip area, according to whether there is local redness, swelling, heat and pain, to determine the status of the infected lesion, such as redness and swelling of the fingertip, high tension, obvious tenderness, or accompanied by systemic symptoms, fever, blood leukocyte count increase, etc., consider that there is septic dactylitis, which requires anti-infective, surgical and other treatments. 2. If the site of fishbone injury is located in the knuckle, palm or dorsal side of the palm, the physical examination can observe whether there is localized severe pain and accompanying systemic symptoms, whether there is flexion disorder of the affected finger or palmar side, so that we can judge the site of infection and severity of the infection, as well as blood tests, etc., and at this time, should be done in a timely manner to clean up the wound, or even abscess incision and drainage, and to prevent secondary bacterial infections. Skin infections after fishbone wounds need to be treated with broad-spectrum antibiotics. Part of the toxicity of the fish may be very serious poisoning or even allergic reactions after fish splinter wounds need timely rescue, mainly rehydration as well as anti-allergy, do not wait for the results of the examination. If you are injured by a fishbone, you should go to the hospital for a timely examination and treatment if your symptoms are serious.