Implementation Kato Mandaki of Civility Minangkabau Community in Rangkasbitung Y Sulaeman 1 , M Fauziah 2 , Rahman 3 , A E Anggraini 4 , Chandra 5 , A W Sakti 6 { 1 yenisulaemananesta@gmail.com, 2 kfauziah19@upi.edu, 3 rahmanprofupi@upi.edu, 4 adeekaanggraini@gmail.com, 5 chandra@fip.unp.ac.id, 6 achiewibawasakti@gmail.com} 1,2 STKIP Syekh Manshur Pandeglang, Indonesia 3,4,6 Universitas Pendidikan Indonesia Bandung, Indonesia 5 Universitas Negeri Padang, Indonesia Abstract. Merantau activities is a tradition of Minangkabau people who are one of the cultural richness in Indonesia. The area that is the destination of Minangkabau merantau is the island of Java. This research aims to know how to implemenation Kato mandaki of the Minangkabau community in Rangkasbitung. The local wisdom in Minangkabau one of them kato nan ampek consisting of kato mandaki, Kato Mandata, kato Manurun, and kato Malereng. Minangkanbau people's speech acts has rules according to their speak opponents. The use of kato mandaki used as a form of communication for the Minangkabau people with the opposite speak is a person who is larger or elder. This research is research qualitative descriptive study in which writers conduct interviews and observations on Minangkabau communities residing in Rangkasbitung Keywords: Kato Mandaki, Civility, The Minangkabau Community In Rangkasbitung 1. INTRODUCTION Indonesia with multiculturalism has local wisdom and its own culture in each region. West Sumatra Province has a lot of local wisdom and a very unique culture. One interesting culture is wandering. Wandering activities become a culture and tradition in West Sumatra, known as the Minangkabau. This wandering activity will cause some changes due to the cultural influence of the place to wander. The area which is the main destination of the Minangkabau people to migrate is Java. The culture of the Minangkabau community and the Sundanese community is different. Judging from the politeness of language, language, and so forth. In Minangkabau, his politeness is a local wisdom called kato nan ampek. Where the Minangkabau people arranged the way to speak according to the other person. Kato nan ampek consists of kato mandaki, kato malereng, kato mandata, and kato manurun. The implementation of Minangkabau people politeness is a form of preservation and cultural preservation. The application of Kato Nan Ampek's values in social life to the present day society is still polite in behaving, acting and calling to the elderly as well as teenagers can distinguish the way of behaving well to the greater, equally large And the same small both in INCOLWIS 2019, August 29-30, Padang, Indonesia Copyright © 2019 EAI DOI 10.4108/eai.29-8-2019.2289102