Being pricked by shrimp head to the hand should first use flowing water to rinse the wound, and then disinfected with iodine, if the wound bleeds a lot should be bandaged with a band-aid, the wound to keep clean. Being shrimp head pricked hand should be observed to prick the skin with or without damage, if there is no obvious damage can be simple rinse without special treatment. If there is a break in the skin, it is recommended that the wound be rinsed out with running water and then disinfected with a clean medical swab dipped in iodophor to disinfect the wound and the skin around the edges. Keep the wound clean and avoid contamination after wound treatment. If the wound bleeds a lot, you should first use the necessary measures to stop the bleeding, such as: use clean gauze or towel to press the local wound, stop the bleeding, and then rinse and disinfect the wound. If the wound is too deep and bleeding, it is recommended to go to the hospital for debridement and suturing, and need to be injected with tetanus antitoxin to prevent tetanus.