Be influenced by wind and cold in the neck, blocking Qi and blood, or overwork, trauma, damage to the muscles and veins, qi stagnation and blood stasis. Or liver blood deficiency  and insufficient kidney essence,because of old age, and lack of nourishment of muscles, tendons, ligaments and bones, can all lead to poor circulation of Qi and blood in the meridians of the neck. These kinds of blockage cause pain. Frequent pain and numbness in the nape extends to the head, shoulders, and upper limbs. Some patients may have symptoms such as dizziness, tinnitus, headache, and blurred vision.

颈部感受风寒，阻痹气血，或劳作过度、外伤，损及筋脉，气滞血瘀，或年老肝血亏虚、肾精不足，筋骨失养，皆可使颈部经络气血不利，不通则痛。以项部经常疼痛麻木，连及头、肩、上肢，部分患者可有眩晕、耳鸣、头痛、视物模糊等症状。