单纯疱疹唇炎是一种常见的病毒性疾病,复发感染达50%以上,尽管许多学者对本病复发的治疗进行了广泛研究,但迄今仍无一有效药物预防复发。本文报告赖氨酸作为治疗复发性单纯疱疹唇炎一种有效预防药。本研究对象选26例8～50岁(平均29岁)患者,随机将他们分为A、B两组。A组15 Herpes simplex labialis is a common viral disease with over 50% of recurrent infections. Although many scholars have conducted extensive studies on the treatment of recurrent disease, so far no effective drug has been used to prevent recurrence. This article reports lysine as an effective prophylactic for the treatment of recurrent herpetic cheilitis. The study selected 26 patients aged 8 to 50 years (average 29 years), were randomly divided into A and B groups. Group A 15