Disclosed is a drillship. The drillship according to the present invention includes: a main deck; and a top deck which is prepared on the upper part of the main deck, arranged close to a heli-deck where a helicopter takes off and lands, and prepared with a heli-deck reception room. The heli-deck reception room is partitioned into a heli-deck reception room for departing passengers and a heli-deck reception room for arriving passengers so as to avoid a congestion caused between departing passengers and arriving passengers during procedures for entry and departure.
