A fixing resin composition suitable to be used for forming a fixing member in a rotor provided with a rotor core fixed and installed on a rotating shaft, in which a plurality of hole portions arranged along the peripheral portion of the rotating shaft are formed, a magnet inserted in the hole portion, and the fixing member provided in a separation portion between the hole portion and the magnet, wherein the fixing resin composition includes: a thermosetting resin containing an epoxy resin, wherein the thermosetting resin containing an epoxy resin is selected from a cresol novolac type epoxy resin, wherein the content of the thermosetting resin is equal to or more than 10% by mass and equal to or less than 40% by mass, based on 100% by mass of the total content of the fixing resin composition; a curing agent, wherein the curing agent is a phenolic resin-based curing agent selected from the group consisting of novolac type resins including a phenol novolac resin, a cresol novolac resin, and a naphthol novolac resin; polyfunctional type phenolic resins including a triphenolmethane type phenolic resin; modified phenolic resins including a terpene modified phenolic resin and a dicyclopentadiene modified phenolic resin; aralkyl type resins including a phenol aralkyl resin having a phenylene skeleton and/or a biphenylene skeleton, and a naphthol aralkyl resin having a phenylene skeleton and/or a biphenylene skeleton; and bisphenol compounds including bisphenol A and bisphenol F, either used singly or in combination of two or more kinds thereof, wherein the lower limit of the content of the curing agent in the fixing resin composition is equal to or more than 0.8% by mass, and equal to or less than 12% by mass, based on 100% by mass of the total content of the fixing resin composition; and an inorganic filler, wherein the content of the inorganic filler is equal to or more than 65% by mass and equal to or less than 90% by mass, based on 100% by mass of the total content of the fixing resin composition; wherein the fixing resin composition is in a solid state. a magnet inserted in the hole portion, and the fixing member provided in a separation portion between the hole portion and the magnet, wherein the fixing resin composition includes: a thermosetting resin containing an epoxy resin, wherein the thermosetting resin containing an epoxy resin is selected from a cresol novolac type epoxy resin, wherein the content of the thermosetting resin is equal to or more than 10% by mass and equal to or less than 40% by mass, based on 100% by mass of the total content of the fixing resin composition; a curing agent, wherein the curing agent is a phenolic resin-based curing agent selected from the group consisting of novolac type resins including a phenol novolac resin, a cresol novolac resin, and a naphthol novolac resin; polyfunctional type phenolic resins including a triphenolmethane type phenolic resin; modified phenolic resins including a terpene modified phenolic resin and a dicyclopentadiene modified phenolic resin; aralkyl type resins including a phenol aralkyl resin having a phenylene skeleton and/or a biphenylene skeleton, and a naphthol aralkyl resin having a phenylene skeleton and/or a biphenylene skeleton; and bisphenol compounds including bisphenol A and bisphenol F, either used singly or in combination of two or more kinds thereof, wherein the lower limit of the content of the curing agent in the fixing resin composition is equal to or more than 0.8% by mass, and equal to or less than 12% by mass, based on 100% by mass of the total content of the fixing resin composition; and an inorganic filler, wherein the content of the inorganic filler is equal to or more than 65% by mass and equal to or less than 90% by mass, based on 100% by mass of the total content of the fixing resin composition; wherein the fixing resin composition is in a solid state. a thermosetting resin containing an epoxy resin, wherein the thermosetting resin containing an epoxy resin is selected from a cresol novolac type epoxy resin, wherein the content of the thermosetting resin is equal to or more than 10% by mass and equal to or less than 40% by mass, based on 100% by mass of the total content of the fixing resin composition; a curing agent, wherein the curing agent is a phenolic resin-based curing agent selected from the group consisting of novolac type resins including a phenol novolac resin, a cresol novolac resin, and a naphthol novolac resin; polyfunctional type phenolic resins including a triphenolmethane type phenolic resin; modified phenolic resins including a terpene modified phenolic resin and a dicyclopentadiene modified phenolic resin; aralkyl type resins including a phenol aralkyl resin having a phenylene skeleton and/or a biphenylene skeleton, and a naphthol aralkyl resin having a phenylene skeleton and/or a biphenylene skeleton; and bisphenol compounds including bisphenol A and bisphenol F, either used singly or in combination of two or more kinds thereof, wherein the lower limit of the content of the curing agent in the fixing resin composition is equal to or more than 0.8% by mass, and equal to or less than 12% by mass, based on 100% by mass of the total content of the fixing resin composition; and an inorganic filler, wherein the content of the inorganic filler is equal to or more than 65% by mass and equal to or less than 90% by mass, based on 100% by mass of the total content of the fixing resin composition; wherein the fixing resin composition is in a solid state.