This paper aim at formation of design aesthetics. The primary problematic is: western design aesthetics is similar to design aesthetics, or equal to design aesthetics. This paper take some critical books review and take Roger scruton's «The aesthetics of architecture» a critical review. Then, propose a semi-new design aesthetics discourse. Finally, we get a universal answer of that we propose problematic. The answer is: western design aesthetics is similar to Chinese design aesthetics, they are a component part of design aesthetics.