Ranpoigaku (school of Dutch medicine) refers to medical science introduced to Japan during the Edo period mainly through medical officers (doctors) in Dutch Trading Post in Dejima, Nagasaki.
蘭方医学（らんぽういがく）とは、主に長崎出島のオランダ商館医官（医師）などを介して、江戸時代の日本に伝えられた医学。