A piece of paper including green lavers and paper articles using the same are provided to produce the paper having deluxe feeling with inexpensive cost and to offer excellent intensity and conservativeness. A piece of paper is manufactured by using a pulp mixture consisting of 20~95 weight% of wood pulp and 5~80 weight% of green laver pulp based on dry weight of the whole weight. A manufacturing method of green laver pulp comprises the following steps of: boiling green lavers in which foreign materials are removed with 2~5 weight% of a sodium hydroxide solution; selecting fiber after removing the foreign materials; and washing and dehydrating the fiber. The wood pulp is waste paper pulp.
