A foreign body into the eye Any small object or liquid, even a grain of sand or a drop of detergent into the eye, will cause eye pain, or even damage to the cornea. First aid: 1, the first is to blink vigorously and frequently, with tears to wash out the foreign body. 2, pinch up the eyelids, and then water. 2, pinch up the eyelids, and then rinse your eyes under the faucet. Be sure to remove your contact lenses. 3. Don’t rub your eyes. No matter how small the foreign body is, it can scratch the cornea and lead to infection. 4. Seek immediate medical attention from a doctor. Sprains occur when the ligaments around a joint are stretched too far beyond what they can bear, and are usually accompanied by bruising and edema. First aid: 1, within 24 hours of the sprain, try to use an ice pack every hour, half an hour each time. Wrap the injured area with an elastic compression bandage and elevate the injured area. 24 hours later, begin to change the affected area to a hot compress to promote blood flow to the injured area. 2, can not move the injured joints, otherwise it is easy to cause ligament tears, recovery is relatively difficult. 3, if after a few days of self-treatment and rest, the affected area is still pain and mobility, then there may be a fracture, muscle strain or ligament rupture, need to go to the hospital immediately. Third, nosebleed Nosebleed is due to the rupture of blood vessels in the nasal cavity, nasal blood vessels are very fragile, injury or dry easy nosebleed. First aid methods: 1, the body slightly forward, and pinch the cartilage area below the bridge of the nose with your fingers for about 5-15 minutes. If possible, put a small ice pack on the bridge of the nose also has the effect of quickly stopping the bleeding. 2, hard to tilt the head back posture will make the nosebleed flow into the mouth, panic is bound to have a part of the blood is sucked into the lungs, this is neither safe nor hygienic. 3, if the nosebleed continues to flow on 20 minutes still can’t stop then, the patient should immediately go to the hospital to help the doctor. Fourth, burn, scald burns are divided into three levels: first-degree scald burns will cause the skin to redden and have a tingling sensation; second-degree scald burns will see obvious blisters after the occurrence of scald burns; third-degree scald burns will lead to the skin breakout and turn black. First aid methods: 1, once the scald, if the burn at the skin is still intact, should be immediately placed in the hot parts of the flow of water rinse or cool towel cold compresses, local cooling for 30 minutes, this will take away the local tissue heat and reduce the damage of a step. 2, when the injury is swollen, remove the watch, bracelet, ring, etc.. 3.Wrap the injury with a clean pad or gauze, be careful not to be too tight. 4, can not use ice; do not break the blisters; and do not casually antibiotic ointment or grease applied to the wound; more should not pour soy sauce and other liquids to the affected area. 5, see a doctor as soon as possible. Fifth, foreign body stuck in the throat jelly, foreign body stuck in the throat, the patient will not have a strong cough, can not speak or breathe, the face will be a short time to turn red or purple. First aid: 1, let the patient’s body leaning forward, with the palm of the hand to pat the patient’s back in the middle of the two shoulders. 2, if it does not work, then the patient’s body will not be able to speak or breathe. 2, if it does not work, then you need to stand behind the patient, with a fist against the patient’s abdominal back, with the other hand to hold that fist, up and down to push hard to launch five times, this method is called Heimlish method. 3, the patient can also take such self-help measures: their abdomen against a hard object, such as kitchen countertops, and then squeeze the abdomen, so that the things stuck in the throat pop out. Do not give water or other food to a patient who is coughing. 5. Call an ambulance to rescue the patient quickly.