According to the information you provided, the patient’s symptoms are most likely caused by facial neuritis. In clinical diagnosis, the Chinese herbal formula Chuan Zheng San is commonly used for tonic treatment. The main ingredients of this formula include Qiangwu, Chuanxiong, Fenghuang, Guizhi, Papaya, Bai Botrytis, Shan Gan Cao, Whole Scorpion, Centipede and other herbs. When using Chinese herbal medicine for tonic therapy, patients are advised to maintain a light diet, avoid overwork and ensure adequate rest.