Knife cut to the hand if the wound is relatively superficial, while relatively short, then you can apply Yunnan Baiyao, or Baiduobang and other drugs for anti-inflammatory treatment, while using bandages for bandages, with the extension of time, the wound can gradually improve. If the wound is deeper, or more dirty knife injury to the hand, then you need to go to the hospital surgery or emergency department for disposal. Depending on the condition, the doctor will debride or suture the wound, and may give a tetanus shot to prevent tetanus, and it is best to do so within 24 hours of the injury for better results. After the injury, the finger should not be exposed to water to prevent local infection, and the hand should not hang down to prevent local congestion and bleeding, and should not eat too spicy food or drink alcohol.