A modified epoxy resin ceramic coating against seawater and its production are disclosed. The ceramic coating consists of E52 epoxy resin, Neufokale epoxy resin, mixed solvent, composite accessory, A liquid with activated silicon powder with different grain size, mullite power and alpha-crystal-type alumina mixed ceramic powder and B liquid, which is prepared by reacting alicyclic ammonia with anacardol methanal to obtain phenol aldehyde ammonia curing agent with reactive hydrogen account 76-78. A liquid is mixed with B liquid. It's stable, has excellent adhesion, abrasive and heat resistances. It can resist 100 degree saturated sodium chloride, bitter halogen or artificial seawater erosion. It can be used for marine I-shaped steel architecture, seawater container and internal-external anti-corrosive coating of seawater transfer pipeline. A modified epoxy resin ceramic coating against seawater and its production are disclosed. The ceramic coating consists of E52 epoxy resin, Neufokale epoxy resin, mixed solvent, composite accessory, A liquid with activated silicon powder with different grain size, mullite power and alpha-crystal-type alumina mixed ceramic powder and B liquid, which is prepared by reacting alicyclic ammonia with anacardol methanal to obtain phenol aldehyde ammonia curing agent with reactive hydrogen account 76-78. A liquid is mixed with B liquid. It's stable, has excellent adhesion, abrasive and heat resistances. It can resist 100 degree saturated sodium chloride, bitter halogen or artificial seawater erosion. It can be used for marine I-shaped steel architecture, seawater container and internal-external anti-corrosive coating of seawater transfer pipeline.