<b>The Ultimate Physical Equation: Derivation from the Universal Law and the Nine-Layer Ultimate Theory</b>

This paper proposes the <b>Ultimate Physical Equation</b> based on the Universal Law (., 1, O) and the Nine-Layer Ultimate Theory. While general relativity describes spacetime curvature via the Einstein field equation: Gμν+Λgμν=8πGc4TμνG_{\mu\nu} + \Lambda g_{\mu\nu} = \frac{8\pi G}{c^4} T_{\mu\nu} this formulation does not explicitly account for quantum effects. We introduce an additional term, Q(x), leading to the modified equation: Gμν+Λgμν=8πGc4Tμν+Q(x)G_{\mu\nu} + \Lambda g_{\mu\nu} = \frac{8\pi G}{c^4} T_{\mu\nu} + Q(x) where Q(x) represents quantum modifications related to entropy and information fields. This equation provides a unified framework incorporating both macroscopic gravitational interactions and microscopic quantum corrections, thereby extending general relativity towards a quantum gravity formulation.