The invention relates to the technical field of medical apparatus and instruments, and discloses a cheekbone implant surgery maxillary sinus mucous membrane protection sleeve. The protection sleeve isof a sleeve cylinder structure with the inner diameter being 4 mm and the outer diameter being 4.6 mm, the length of the protection sleeve is 8-15 mm, the protections sleeve is made of pure titanium,two rings are arranged on the side of the protection sleeve, and the axes of the two rings are coaxial, and are in parallel with the axis of the protection sleeve. The cheekbone implant surgery maxillary sinus mucous membrane protection sleeve can accurately and effectively protect the maxillary sinus mucous membrane and near-by soft and hard tissues so as to prevent occurrence of related surgical complications, and thus the surgery safety is improved.