“Firecrackers” is one of China’s folk customs. Every holiday, the streets and alleys are full of firecrackers, although the holiday happy, but the danger still exists everywhere, especially nowadays the firecrackers power increased, if the ignition is not properly or not in time to avoid, it is likely to be injured. Every year because of firecrackers caused by hand trauma patients are countless. After being injured by firecrackers, due to the lack of medical knowledge, trauma site without professional medical personnel to guide, rescue personnel are often in a frenzy, panic, to the patient and his family caused physical and mental pain. Therefore, it is necessary to master certain health first aid knowledge. The most common is a huge burst of shock caused by the hand skin tear bleeding, serious injury to the muscles, nerves, and even lead to finger severance, palm penetrating injury, skin or tissue severe defects. For hand trauma patients, there is bleeding can be localized with a clean dry cloth or sterile gauze pressure to stop bleeding; trauma area is large, bleeding is serious, in addition to local pressure bandage to stop bleeding, can also be used to tourniquet the damaged parts of the proximal joints above the blood vessels. If a single finger injury bleeding, with two fingers of the other hand on both sides of the injured finger clamping blood vessels to stop bleeding; if the palm or more finger injury bleeding, can be in the wrist compression radial artery hemostasis or in the forearm with a tourniquet, but the bandage should be loosened every 15 minutes to avoid ischemic necrosis of the affected area. After surgical bandaging or debridement of hand trauma, finger movement and sensation should be closely observed to guard against nerve injury. At the same time, we should pay attention to the color of finger nail beds and blood circulation, whether the fingers or palms of the hand are distended, changes in the degree of pain, etc., to avoid the fingers or palms of the local inflammation and swelling of the pressure is too high to affect the blood circulation. Close observation of the injury after hand trauma is crucial, and the later stage is mainly to prevent infection and carry out functional exercise and recovery of the fingers. Broken finger preservation method: broken finger quickly wrapped in clean gauze or towel, into a plastic bag. When the temperature is high in summer, put the plastic bag into a plastic bag or container with ice to save. Do not put the broken finger directly on the ice; Do not soak the broken finger in alcohol or any other disinfectant. Broken down finger at room temperature 6-8 hours have reattachment conditions, the use of cold preservation of time can be appropriately extended.