Abstract: To meet the advanced control requirements for fiber tension during the production of high-quality fiber optic rings, first of all, after analysis and comparison of the advantages and disadvantages of different tension measurement methods, the measuring element based on the floating tension measurement principle is selected to realize the detection of the small tension value of the optical fiber and meet the detection requirements of high resolution and sensitive response. Then, the ADAMS software is used to model and simulate the tension sensor, and the key parameters are optimized and matched. Finally, the tensile sensor prototype developed based on the simulation results is tested. The results show that the tension sensor can meet the measurement requirements of 0.001 N accuracy and 1 Hz response frequency, which indicates that the simulation design method is efficient and reliable.