A, acute abdominal pain avoid taking painkillers: in order not to cover up the condition, delay the diagnosis, should go to the hospital as soon as possible to investigate the diagnosis. Second, the abdominal injury viscera out of the immediate reset: out of the viscera shall be thoroughly disinfected by a doctor and then reset. Prevent infection causing serious consequences. Third, the use of tourniquet ligature avoid too long: tourniquet should be relaxed every hour for a quarter of an hour, and make a record to prevent ischemic necrosis of the distal limb caused by ligature too long. Fourth, comatose patients should not lie on their back: they should be made to lie on their sides to prevent asphyxia caused by oral secretions and vomit inhalation into the respiratory tract. Do not give food or water to comatose patients. Fifth, cardiogenic asthma patients should not lie down: because lying down will increase the burden of pulmonary stasis and heart, making asthma aggravated and life-threatening. Should take a semi-recumbent position so that the lower limbs droop. Six, cerebral hemorrhage patients do not move at will: If there is a sudden fall in the activity of coma or paralyzed people who have suffered from cerebral hemorrhage, it is likely to have cerebral hemorrhage, moving at will will make the bleeding more serious, should lie down, elevate the head, immediately sent to the hospital. Seven, small and deep wounds avoid sloppy dressing: If a sharp object stab wound after sloppy dressing, will make the wound hypoxic, resulting in tetanus bacillus and other anaerobic bacteria growth, should be cleaned and disinfected before dressing, and tetanus antitoxin injection. Eight, diarrhea patients avoid taking antidiarrheal drugs: before the anti-inflammatory indiscriminate use of antidiarrheal drugs, will make it difficult to discharge toxins, intestinal inflammation increased. Should be used in the use of anti-inflammatory drugs dysentery, Huang Lianxin, haloperidol before using antidiarrheal drugs, such as Emmenthal. Nine, electrocution avoid pulling rescue with bare hands: hair found someone electrocuted immediately after cutting off the power, and immediately use dry wooden sticks, bamboo and other insulators to drain the wire.