The invention relates to the technical field of ceramic manufacturing, in particular to a daily use porous composite ceramic with thermal insulation properties and a preparation method thereof. The invention puts forward the concept of porous ceramic tableware for the first time, and applies the porous ceramic preparation technology to production of ceramic tableware for daily use pioneeringly. The preparation process is simple, the raw materials have very strong universality, and the production efficiency is greatly enhanced. The prepared ceramic product has a "dense ceramic/porous ceramic/dense ceramic" composite structure, so that the strength can meet daily needs. A lot of fine and evenly distributed air holes are introduced into a ceramic matrix, the product has light weight and thermal insulation properties, and improves the added value of daily use ceramics. Red mud is used as the raw material, and is very limited in terms of recovery and application currently, reasonable utilization of red mud as the raw material achieves "turning waste into wealth" in a real sense, and considerable social and economic benefits can be reached.