To provide a method for manufacturing a finger ring member, in which a function to be requested for the finger ring member is sufficiently exibited even when MIM molding is applied for manufacturing of the finger ring member for hairdressing scissors.

In a metal powder injection molding method for performing injection molding in a mold for forming the finger ring member using a molding material containing metallic powder and an organic binder, the finger ring member for the hairdressing scissors is manufactured, wherein the metal powder contains carbon of 0.15wt% or less and copper of 2.00-5.00wt%. According to this manufacturing method, a molded article which has an appropriate hardness and flexibility as the finger ring member for the hairdressing scissors, can be obtained.