According to newly revised Korean Commercial Law, 1991, several amendments on the maritime liens as a special legislative rights duly performed so as to make an equity with mortgates of the ship. Consequently, it is also noteworthy that claimants of the maritime lien should know how to secure their legal rights on the ship. Such a legal practice is performing in accordance with the doctrine and principles of the law of forciable excution without court order. This paper, therefore, intends to study specific legal practice for exercising legal rights on the ship by due process of law.