This volume includes papers presented at the 2nd Conference on Research and Application of Advanced Cementitious Materials and Advanced Materials Forum (CRAACM & AMF) - one of the most important Chinese academic conferences held every two years. The second conference was successfully held in China Xi'an in October 2020. Collected articles represent the last scientific and engineering research results in materials in machinery and construction, technologies of the materials synthesis and processing, nanomaterials, materials, and technologies in optoelectronics and electronics.