Ceramic composite powder is a ceramic fireproof functional powder obtained by compounding aluminum hydroxide, flame retardant, wollastonite, zirconia, lithium ceramic stone, low melting point glass powder, etc. It can be used in the fields of wire and cable fireproof ceramic silicone rubber/polyolefin, electronic device packaging room temperature curing liquid ceramic adhesive, fireproof ceramic coating, fireproof lightweight foam material, etc.