Conclusion: Chinese herbal medicine used in this study was effective to relieve the severity of mouth dryness and to protect the salivary glands of patients with head and neck cancer during RT.

• 结论： 头颈部肿瘤患者放疗过程中辅以活血生津中药制剂可改善口干症状，明显的保护其唾液腺的分泌功能。