Human collagen is a kind of human collagen protein that is reverse transcribed into cDNA through bioengineering technology, and a gene after enzyme digestion is recombined into E Coli (Escherichia coli) is a kind of high molecular biological protein produced by high-density fermentation, separation, refolding and purification process. Its basic biological functions include biocompatibility, bioabsorption, cell adhesion and the characteristics of promoting new cell generation.