目的:应用点阵CO_2激光作为CO_2激光新的治疗模式用于临床,并逐步观察其临床效果。方法:用点阵CO_2激光系统治疗临床病例1550例,其中包括激光除皱和皮肤表面重塑220例,皮肤色素增多性疾病和体表肿瘤的治疗880例,血管性病变治疗105例,其它治疗65例。结果:随访3~6个月所有病例治疗有效,有效率达99%,治疗效果满意度90%;对于激光除皱和皮肤表面重塑 Objective: To apply the CO_2 laser as the new treatment mode of CO_2 laser in clinic and to observe the clinical effect gradually. Methods: A total of 1550 clinical cases were treated with dot-matrix CO_2 laser system, including 220 cases of laser wrinkle removal and skin remodeling, 880 cases of cutaneous hyperpigmentation and surface tumors, 105 cases of vascular lesions, and other treatments 65 cases. Results: The follow-up of 3 to 6 months, all cases of effective treatment, the effective rate of 99%, 90% satisfaction with the treatment effect; for laser wrinkles and skin remodeling