When a patient has a blood phobic reaction, the most effective way is to have the patient rest flat on his back and get out of the environment with blood, and the patient’s symptoms can be relieved quickly. Hemalgia, also known as blood phobia, is characterized by palpitations, vertigo, pallor, limb weakness, and in severe cases, transient loss of consciousness and syncope. If the position of the head is lowered after the loss of consciousness, the blood is restored, the brain nerves and brain functions can be quickly restored, and the person will be awake immediately, and the syncope will not last more than one minute, and no special treatment is needed. When a patient has syncope, the main thing is to prevent injury caused by syncope, such as a patient falling because of a sudden fall, to avoid this problem.