甲醛在医疗上的主要用途是固定标本、消毒病厉及器械等;也有用3～5%甲醛酒精溶液治疗皮肤出汗过多症(腋臭)。对于治疗腋臭的药理机转是:反复涂擦甲醛于皮肤时,可在皮肤上形成角质样外层,从而表现出致密作用(鞣化作用),此时汗腺受到损失,以致引起皮肤干燥。但在临床使用上,甲醛酒精溶液存在着 Formaldehyde in the medical main purpose is to fixed specimens, disinfection disease Li and instruments; also useful 3 to 5% formaldehyde solution of alcohol treatment of skin hyperviscosity (underarm odor). The pharmacological mechanism for the treatment of underarm odor is: repeatedly rubbed formaldehyde on the skin, the skin can form keratin-like outer layer, which showed a dense effect (tanning effect), when the sweat glands suffer, causing dry skin. However, in clinical use, formaldehyde alcohol solution exists