How to prevent the “pillow”?

       1, to choose a healthy pillow, pillow improper is one of the reasons for the occurrence of the pillow.  2, to pay attention to avoid bad sleep posture, such as lying down to bend the head and neck to the side; in extreme fatigue when not lying in the right position to sleep over; head and neck position is not correct, excessive flexion or extension, etc..  3, we should pay attention to avoid cold, wind and rain, when sleeping at night, we must cover well, especially the two sides of the shoulder and neck quilt should be stuffed tightly, or use a sweater around the two sides, so as to avoid the cold when sleeping so that the wind and cold evil invasion of the neck and shoulder caused by stagnation of qi and blood, damaged veins and veins and disease.  4, to pay attention to the diet balance, meat and vegetables with a reasonable mix, more intake of vitamins, trace elements, calcium-rich food, such as fresh vegetables, fruits, dairy products and soy products, etc..  5, to often moderate exercise, especially the cervical spine activities, such as doing the “rice” exercise, which is a simple operation of the neck health exercises.