The glutenite reservoir has the characteristics of low porosity, low permeability and strong heterogeneity. Conventional horizontal well fracturing development has the problems of low fracture complexity and fast production decline after fracturing. As an emerging reservoir reconstruction method, The multi-well pad fracturing can effectively in-crease the reservoir utilization rate and improve the development effect. Recognizing the propagation dynamics of multiple fractures is the key to the scientific design of the multi-well pad fracturing. However, traditional fracture monitoring technology is difficult to accurately diagnose complex fractures. Distributed optical fiber strain monitoring is a new technology to realize the fine diagnosis of fracture through the dynamic signal of optical fiber strain to reflect the dynamic of fracture propagation, which has a broad application prospect. In this paper, the propagation mode and propagation dynamics of fracture under simulated glutenite reservoir conditions are studied by carrying out large-scale true triaxial multi-well pad fracturing experiments and supplemented by distributed optical fiber strain monitoring methods. The results show that: (1) The phenomenon of gravel penetrated mostly occurs near the wellbore, and the phenomenon of gravel bypassed mostly occurs in the far well area. The gravel belt plays a certain role in blocking the extension of fracture. (2) The distance between the fracturing well and the optical fiber monitoring well increases, the optical fiber strain band diverges and the absolute value of the strain decreases. (3) For the case where two wells are above and one well is below, it may be more likely to cause inter-well frac hit by fracturing both ends of the well first and then fracturing the middle well. The research results of this paper provide some reference for the scientific design of multi-well pad fracturing development in glutenite reservoirs.