Rismayanti Lubis 171104080851 “Penerapan Etika Bisnis Islam Dalam Transaksi Jual Beli Pada Wirausaha Muslim (Studi Pada Wirausaha Muslim di Desa Laladon)” in business competition is the ethics have to business people because the way regulates all human activites including business by giving limitation whatever may done and who cannot be done. this research explains how the implementation of ethical business people in transaction in muslim entrepreneurs in the village Laladon behavior and now how muslim entrepreneurs in the village Laladon according to Islamic. Bisiness this research in a qualitative. Descriptive approachdata collection techniques used in this research in the from of interview, observation and documentation the result of the transaction on muslim entrepreneneurs in the village Laladon cash, however some entrepreneurs have digital transaction, provides payments and have made a run of the seller and buyer. The implementation of ethical business on muslim entrepreneurs in the village Laladon by applying the principle of unity the principle of justice, the principle of trustful, and responsibilities, principle of rectitude, products sold lawful, and did not do bisnis mal has ini practice in an entrepreneurship activity. Muslim entrepreneurial behavior in the village Laladon gave the best services with an attitude suave and customer with a vengeance. The application of islam in business ethics transaction on muslim entrepreneurs in the village Laladon has is served in accordance with islam Syariah.