Tunnel building is becoming more and more significant on a global scale for transportation routes. One of the latest challenges in tunnel engineering construction is the collapsible loess tunnel foundation reinforcement. The stability of a tunnel is greatly dependent on the installation time and the stiffness of the supporting components, which are both determined during tunnel design. Determining the stability of the specified design and the suitability of the building procedure is one of the main goals of the tunnel analysis. Numerical analysis can be used to identify the subsidence and displacement that occur around a tunnel before tunnel construction. This paper presents, analyzes tunnel deformation and stress patterns for structural safety, to determine the suitability of the construction procedure and the stability of the specified design, and examines the displacement and subsidence that occur in the area of the tunnel’s construction during the excavation phase. The identification of research gaps highlights the necessity of conducting more studies to optimize excavation sequences to reduce stress concentrations and deformation in tunnel structures. The process involves a combination of theoretical approaches, numerical simulations, field monitoring, and geotechnical investigations. Based on the numerical method, there are several computational tools that will be used to analyze of tunnel. Some program offers a stable framework for modelling tunnel excavation procedures and assessing how they affect the behavior of the structure. Future approaches will focus on investigating sophisticated computational modelling methods and creative support structures that minimize the effects of deformation and stress in tunnelling projects. This study is suitable to analyze stress and deformation patterns for diverse excavation scenarios within tunnels, also advances the field of tunnel engineering and makes it easier to create safer and more effective tunnelling solutions in a variety of geotechnical applications.