The blisters on the waist are considered to be herpes zoster or eczema, and the specific treatment is as follows: 1. Herpes zoster: can be unilateral in the waist along the peripheral nerve travel, a band distribution of clustered blisters accompanied by neuralgia, in the clinical etiology is mainly due to varicella-zoster virus infection, treatment can be oral acyclovir tablets, famciclovir tablets, external application of penciclovir ointment for antiviral treatment, if If the pain is more intense, you can add gabapentin capsules and apply topical capsaicin ointment for pain relief treatment; 2. Eczema: it can be symmetrically distributed on both sides of the waist with itching, you can take oral olopatadine hydrochloride tablets and apply topical dinaide ointment.