Titanium mesh cage is one of the fusion devices used in anterior cervical corpectomy and fusion (ACCF),it not only can immediately rebuild the stability of the cervical spine during the operation, maintain the height and physiological curvature of the intervertebral vertebrae, but also avoid the complications of bone donor area caused by autologous bone extraction.Therefore, it has become the most commonly used internal plant in ACCF.However, there are many problems in traditional titanium cage, such as stress shielding and titanium cage sinking, which affect the surgical effect to a certain extent, and even lead to serious postoperative complications requiring revision surgery.At present, a variety of new titanium cages have been invented, which solve the problems caused by the traditional titanium cage to a certain extent.Biomechanical evaluation and its testing methods are an indispensable process for judging whether a new type of spinal fusion cage can be used in clinical practice.This article reviews the biomechanics related to cervical spine anatomy, the biomechanical properties of traditional titanium cages and new titanium cages, and aims to provide new ideas for the improvement of traditional titanium cages and the development of new titanium cages.