液氮冷冻疗法自70年代以来,在国内已陆续推广应用。尤其在皮肤科临床工作中,此疗法颇受广大患者欢迎,但在治疗中尚有值得注意的几个问题。就我们九年的临床经验,对以下问题谈谈体会及认识。一、冷冻治疗的作用及应用:实践证明,人体各种组织,虽然其生物学特性各有不同, Liquid nitrogen cryotherapy since the 1970s, has been gradually promoted in China. Especially in dermatology clinical work, this therapy is popular with the majority of patients, but there are several problems worth noting in the treatment. On our nine years of clinical experience, talk about experience and understanding of the following issues. First, the role and application of cryotherapy: Practice has proved that a variety of human tissues, although their biological characteristics are different,