E Ethics is a lesson that control the good and had behavior of human and activity which isrelated to the existing value. Generally, ethics is divided into two kinds, which aregeneral ethics and exclusive ethics. Business ethics is a human behavior object inbusiness, as rule that cannot be violated, from the behavior which is acccepted by society.Profession ethics has four principals, which are responsibility, equity, autonomy, andmoral integrity. This research has a goal to know if there is a connection betweenprofession ethics and business ethics in the students of Trisakti Dentistry. The object ofthis research was the students of Trisakti Dentistry, Jakarta. The first questionnaire wasdistributed to 30 people, which consisted of 40 statements of profession ethics and 40statements of business ethics. According to validity and reliability test, from 40statements of profession ethics, there were 9 statements which were invalid and thereability coefficient was 0,886, and from 40 statements of business ethics, there were 10statements which were invalid and reability coefficient was 0,886. This showed that thequestionnaire was categorized as reliable. Analysis test was done on the result of secondquestionnaire by using correlation test with correlate bivariate test on 92 respondentswith 31 statements of profession ethics and 30 statements of business ethics. The result nfAsymp.Sig value calculation was 0.00 and pearson correlation value was 0,523. From thecalculation result, the value of Asymp.Sig < 0,05 was obtained, this showed that therewas a significant connection between business ethics and profession ethics.