Objective To observe the effect of treating nevus of Ota using Q-switch alexandrite laser and find proper energy fluence of treating nevus of Ota.

目的：观察翠绿宝石激光治疗太田痣的效果，找出治疗太田痣合适的能量值。

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Objective:To observe clinic cure effect of naevus fuscocaerules zygomaticus by Q-switch alexandrite laser.

前言： 目的：观察调Q开关翠绿宝石激光治疗颧部褐青色痣的临床效果，分析影响疗效的因素。

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Objective: To evaluate the effect of hair removal using alexandrite laser.

目的：评价翠绿宝石激光脱毛治疗的疗效。

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