A necktie assembly comprises a necktie (1) and a necktie-knot ring (3), wherein an additional hanging strip (11) is sewn on the necktie (1), and the necktie-knot ring (3) is used for forming a necktie knot. The necktie-knot ring (3) comprises a necktie-knot ring cavity (33), a necktie inlet-outlet opening (34) and a string-hanging buckling hook (25), wherein the necktie-knot ring cavity (33) is surrounded by a front shell (31) and a rear shell (32) of the necktie-knot ring and is used for enclosing the necktie (1); the necktie inlet-outlet opening (34) is positioned on the rear shell (32) and the necktie can pass from its top to its bottom; the string-hanging buckling hook (25) extends from any position at one side of the necktie inlet-outlet opening (34) to the other side thereof.