<p>This paper reviews the advanced technology of solenoid valve shock absorbers and their application in automotive suspension systems. Solenoid valve shock absorbers achieve precise damping force adjustment through electronic control, significantly enhancing vehicle comfort, handling, and safety. The review commences with an examination of solenoid valve shock absorbers’ mathematical models and development history, including the physical electromagnetic field model of solenoid valve shock absorber pilot valve, hydraulic circuit model, and overall damping force model. The review further explores the relationship between damping force and input current in solenoid valve shock absorbers and the optimization of electromagnet materials and structural parameters. The paper also evaluates semi-active suspension control strategies, particularly the application of neural networks and reinforcement learning in improving ride comfort and driving stability. Meanwhile, it considers unknown road perturbations, road profile measurement, and estimation techniques. Finally, the paper analyses the application examples of solenoid valve shock absorbers in domestic and international automotive brands. The paper delves into the future research directions of solenoid valve shock absorbers and solenoid control suspension systems, revealing the potential of these technologies in enhancing vehicle performance and driving experience. The research directions for solenoid valve shock absorbers span multiple dimensions, including integrating vehicle dynamics models, real-time recognition of road input models, in-depth study of active control strategies, and developing intelligent control algorithms. In terms of solenoid control suspension, the research focuses include the integration of solenoid control suspension in four-wheel independent drive electric vehicles and the development of intelligent chassis.</p>