A method of producing a ceramics composite member, comprising adhering, with an adhesive containing at least silicon carbide powder, carbon powder and an organic resin, (i) a first ceramic member and a second ceramic member; or (ii) a first shaped body containing silicon carbide powder and carbon powder and a second shaped body containing silicon carbide powder and carbon powder; or (iii) a shaped body containing silicon carbide powder and carbon powder and a ceramics sintered body; heat-treating a bonding portion based on the adhesive to carbonize the adhesive; and impregnating the bonding portion and, where present, the shaped body or bodies, with melted silicon to couple (i) the first ceramic member and the second ceramic member; or (ii) the silicon-silicon carbide composite sintered bodies which are formed by reaction-sintering the shaped bodies, or (iii) the silicon-silicon carbide composite sintered body which is formed by reaction-sintering the shaped body, and the ceramics sintered body with a joint portion which is formed by reaction-sintering the bonding portion and has a texture including - silicon carbide particles of an average particle diameter of 0.1 μm to 0.1 mm, and - a silicon phase continuously provided in network form in interstices of the silicon carbide particles and having an average diameter of 0.05-10 μm. adhering, with an adhesive containing at least silicon carbide powder, carbon powder and an organic resin, (i) a first ceramic member and a second ceramic member; or (ii) a first shaped body containing silicon carbide powder and carbon powder and a second shaped body containing silicon carbide powder and carbon powder; or (iii) a shaped body containing silicon carbide powder and carbon powder and a ceramics sintered body; (i) a first ceramic member and a second ceramic member; or (ii) a first shaped body containing silicon carbide powder and carbon powder and a second shaped body containing silicon carbide powder and carbon powder; or (iii) a shaped body containing silicon carbide powder and carbon powder and a ceramics sintered body; heat-treating a bonding portion based on the adhesive to carbonize the adhesive; and impregnating the bonding portion and, where present, the shaped body or bodies, with melted silicon to couple (i) the first ceramic member and the second ceramic member; or (ii) the silicon-silicon carbide composite sintered bodies which are formed by reaction-sintering the shaped bodies, or (iii) the silicon-silicon carbide composite sintered body which is formed by reaction-sintering the shaped body, and the ceramics sintered body with a joint portion which is formed by reaction-sintering the bonding portion and has a texture including - silicon carbide particles of an average particle diameter of 0.1 μm to 0.1 mm, and - a silicon phase continuously provided in network form in interstices of the silicon carbide particles and having an average diameter of 0.05-10 μm. (i) the first ceramic member and the second ceramic member; or (ii) the silicon-silicon carbide composite sintered bodies which are formed by reaction-sintering the shaped bodies, or (iii) the silicon-silicon carbide composite sintered body which is formed by reaction-sintering the shaped body, and the ceramics sintered body - silicon carbide particles of an average particle diameter of 0.1 μm to 0.1 mm, and - a silicon phase continuously provided in network form in interstices of the silicon carbide particles and having an average diameter of 0.05-10 μm.