Chasing the target of 249 runs in the second innings, the UAE managed to score only 71 runs in 22.5 overs.
Lalit Rajbansi took five wickets for Nepal. Likewise, Sandeep Lamichhane claimed two wickets.
Similarly, Dipendra Singh Airee, Sompal Kami and Gulsan Jha took one wicket each.
Captain Rohit Paudel and Bhim Sarki played an important 54-run partnership.
Sarki scored 29 off 37 balls hitting four boundaries.
Arif Sheikh, who came to the crease at number 5, and skipper Paudel shared an 86- run partnership.
Paudel returned to pavilion scoring 77 runs off 112 balls hitting nine boundaries.
Sheikh made 43 runs off 52 balls and Gulsan Jha scored 37 runs off 32 balls.
Similarly, Dipendra Singh Airee returned to the pavilion adding 34 runs off 19 balls in the scoreboard.