After Republic Democratic Timor Leste become an independence state and has
sovereignty, the are a lot of problems with the Republic of Indonesia in the land border
cases. By using the qualitative data and deductive method, the researcher want to explore
the problems regarding to traditional across border in the land border both countries. The
same background,culture,and habitual between the peoples who live in the
border,traditionally make them to across the border without imigration documents. For
handling the problem,Republic of Indonesia and Republic Democratic Timor Leste need
bilateral agreement and the active role of the region government to monitor the
movemeat of people through official gate in the border.