Complementary therapy has emerged as a common health issue in the countries worldwide. People choose the complementary therapy based on many reasons such as belief, financial, avoiding the chemical reaction from medicine, and positive healing outcome. Nurse has great opportunity to deliver and develop complementary therapy supported by scientific evidences. Basically, the complementary therapy theoretical justification has been established by several nursing theory, as the Nightingale’s, Roger’s, Leininger’s and many others. Complementary therapy can be delivered in various prevention level. In accordance to the purpose, nurse should perform his/her role based on particular client’s needs.