Prolonged watching TV caused by headache, the main reasons are: 1, watching TV so that the human spirit is in a highly concentrated state of tension for a long time, thus causing the head muscle tension and contraction, scalp tightness, headache and other symptoms, long-term high concentration of the spirit, but also cause cerebral vascular spasm, cerebral blood supply is insufficient, causing headache, dizziness. Watching TV can also mobilize people’s emotions, causing increased blood pressure, and then head swelling and pain. 2, long-term watching TV will lead to visual fatigue, especially in the eyes closer to the TV, more likely to appear, which in turn leads to eyeballs and forehead swelling and pain, after resting headache can be alleviated or disappeared, is not recommended for long time to watch TV, watch TV for more than 1 hour, you can look out of the window for 5-10 minutes, to prevent visual fatigue. 3, Watching TV should maintain a good sitting posture, so that the neck muscles are in a relaxed state, to prevent the occurrence of headache and dizziness.