A surface treating apparatus includes: a sheet which includes; a base, and a thermoplastic resin layer disposed on the base; a contact member configured to convey the sheet while carrying out a surface treatment of the sheet; a surface property forming unit configured to form a certain surface property on a surface of the contact member by using a surface property forming material; and a sheet heating unit configured to heat the sheet contacting the contact member, to thereby transfer the surface property of the contact member to the sheet.