Front Cover: Sericin, a major component of silk fibers, is an ancient materials historically connected with “silk road”. Our work demonstrates that sericin is a bio‐safe material with low immunogenicity and thus is increasingly studied for tissue engineering for repair various injured tissue and organs, including nerves, cardiac tissue, skeletal muscle, and cartilage, etc. The cover is prepared by Zhanying Jiao, Yu Song, Yang Jin, Cheng Zhang, Dong Peng, Zhenzhen Chen, Panpan Chang, Subhas C. Kundu, Guobin Wang, Zheng Wang and Lin Wang, article number 1700229.