The concept, connotation and extension of "similar-indication acupoints" which is proposed by Professor WANG Fuchun are introduced in this paper. It is noted that "similar-indication acupoints" is one category of acupoints that hass similar effects for one symptom or disease, which is the basic element for acupoints compatibility, while acupoint compatibility is the foundation of acupuncture acupoints prescription. The proposal and application of "similar-indication acupoints" has provided a new method for the transition from specificity study to generality study, also lay a solid theoretical foundation for acupoints compatibility search.