A protector effectively suppresses infections. The protector (10) protects a tube entry part, where a tube (90) passes through the skin of a living body, from infections, and includes a sticking part (20) that is stuck onto the skin of the living body in a periphery of the tube entry part, and a covering (40) that covers the tube entry part, forms an internal space (P2) that surrounds the tube entry part, and has a passage (P1) through which the tube passes. The covering is provided with an opening (P3) that can be freely opened and closed with a cap (80) or the like. A protector effectively suppresses infections. The protector (10) protects a tube entry part, where a tube (90) passes through the skin of a living body, from infections, and includes a sticking part (20) that is stuck onto the skin of the living body in a periphery of the tube entry part, and a covering (40) that covers the tube entry part, forms an internal space (P2) that surrounds the tube entry part, and has a passage (P1) through which the tube passes. The covering is provided with an opening (P3) that can be freely opened and closed with a cap (80) or the like.
