This is the English version of the printed book by the same authors “Atlas de Auriculoterapia de A a Z”, Portuguese version, 3rd edition and 4th reprint (2019). This Atlas is configured for quick reference of the location and therapeutic indication on the auricular acupoints. In Part I, the main anatomical structures of the auricular microsystem are shown as well as the topographic denominations of each part of the auricular pavilion. In the Part II the location and clinical indications of auricular acupoints of the anterior (front face of ear) and posterior part (back face of ear)are arranged in alphabetical order. To facilitate the notion of set and the association of close acupoint, figures were elaborates by topographic region in Part III. In the Part IV, some atypical ears with brief comments pertinent to the location of acupoints under these conditions are illustrated. In the Part V neuroimaging is present by neurometry techniques of ears that were stimulated with auriculotherapy.