A recording paper including a substrate which includes cellulose pulp and
has a surface treated with a surface sizing solution, wherein the surface
sizing solution contains a surface sizing agent and a nonionic surfactant
having an HLB in a range of 6 to 13, a content of the nonionic surfactant
is in a range of 1 to 100 parts by weight per 100 parts by weight of the
surface sizing agent, and the surface sizing agent has a contact angle
with water in a range of 40 to 75.degree..