The two nostrils are connected through the posterior nostril, so if the patient has bleeding from one side of the nose, if the amount is particularly large, it may flow out from the other side of the nose, which is a normal situation. If such a symptom occurs in life, it is best to go to the ENT department of the hospital as soon as possible and have it checked and treated. First of all, it is necessary to actively stop the bleeding, the doctor can carefully investigate the bleeding point under the anterior rhinoscope or nasal endoscope, if necessary, the anterior nostril can be plugged, or electrocoagulation treatment to clarify whether there is a specific bleeding point in the patient’s nasal cavity, when the blood flow is stopped, the routine blood test, coagulation four, to rule out any problems in the patient’s blood system. You should pay attention to protect the nasal cavity from external impact to avoid nosebleeds. Try not to dig your nostrils with your hands. There is also the usual nasal spray with some moisturizing drugs