Vi­tiligo "free trial" ac­tiv­i­ties in­clude: free reg­is­tra­tion fee, med­i­cine fee, treat­ment fee, bed fee, nurs­ing fee and by the Hua­hai Vi­tiligo Hos­pi­tal ex­perts ac­cord­ing to the dif­fer­ent con­di­tions of pa­tients with vi­tiligo, pro­vide pa­tients with per­son­alised treat­ment of vi­tiligo a set of so­lu­tions.