Classical mechanics and quantum mechanics are considered to be binary oppositions. This kind of understanding has never brought us any real benefits, only trouble. The fundamental equations of quantum mechanics cannot logically delineate the boundary between quantum and classical mechanics. On the contrary, the mass m and potential energy V in the Schr ö dinger equation can easily cross the boundary between microscopic and macroscopic levels. The electromagnetic potential energy in the Schrödinger equation can be replaced with the potential energy of the interaction force. Potential energy can be further transformed into force based on F=V/r. This operation can establish Newton's second law wave equation (e.g., Eq.(30)) and force containing wave mechanics equation (e.g., Eq. (31) ) ψ =Fψ). This result more directly indicates that quantum and classical are compatible. Eliminating the historical absence of the concept of "force" in quantum mechanics, bridging the gap between macroscopic classical and microscopic quantum frameworks, and changing people's perceptions. Can explain why nanoscale particles have quantum properties. Simplify the calculation of quantum forces. This lays the foundation for the generalized wave mechanics that unifies mechanics across scales.