The right side headache and bleeding from the right nostril may be caused by high blood pressure, or it may be caused by the swelling and inflammation in the nasal cavity, the specific cause should also consult the ENT department, and make a clear diagnosis through the relevant examination. 1. High blood pressure: For patients with high blood pressure, when the mucous membrane of nasal cavity is too dry, rubbing and blowing the nose may lead to nosebleed, and the fluctuation of blood pressure may easily lead to headache, which can be filled under the guidance of otorhinolaryngologists to stop the bleeding, or surgical hemostasis, and at the same time, we should actively lower the blood pressure. 2. Nasal swelling: when the patient’s nasal cavity swelling, if the swelling rupture bleeding will lead to bleeding from the nostrils, in addition, the swelling may compress the nose, and even invade the intracranial will also lead to headache. 3. Inflammation of the nasal cavity and sinuses: when there is acute inflammation of the nasal cavity and sinuses, such as viral infection stimulation can appear unilateral headache, mucous membrane due to inflammatory stimulation of mucosal and capillary rupture and bleeding. The specific cause of right side headache, right side nostril bleeding should be under the guidance of otorhinolaryngologist, through the relevant examination to clarify the cause, and actively deal with.