A linear slide rail includes a rail structure and a slider structure. The rail structure has an elongated strip shape and defines a longitudinal axis direction, wherein the rail structure has two guide grooves respectively disposed at two opposite sides of the rail structure. The slider structure has a cooperating groove which is slidably sleeved on the rail structure. The slider structure includes a carrier assembly and two guide wheel seat assemblies. The two guide wheel seat assemblies are respectively disposed at two opposite sides of the carrier assembly, and the two guide wheel seat assemblies are respectively disposed corresponding to the two guide grooves at the two opposite sides of the rail structure. Each of the guide wheel seat assemblies includes a seat unit, a plurality of guide wheel units, a plurality of shaft units, a first lever unit, and a first adjusting unit.