A tank container (10, 20, 30, 40), comprising: a tank (12, 22, 32, 43), which comprises a cylinder body (121, 221, 321, 421) and two sealing heads (122, 222, 322, 422) configured to seal two end openings of the cylinder body (121, 221, 321, 421) respectively; a heat insulation and reflective layer (13, 23, 33, 43) disposed on the outside of the tank, the heat insulation and reflective layer (13, 23, 33, 43) at least covers an upper surface of the cylinder body (121, 221, 321, 421) comprising a top surface of the cylinder body and a part of side surface extending from the top surface, the heat insulation and reflective layer (13, 23, 33, 43) covers an area of the cylinder body (121) at least one third of the total area.