The invention relates to a method for making a full linen lining collar of a high-grade men's suit. The collar comprises top lapels, a sitting top collar, bottom collar woolen cloth and a collar core black carbon lining. The method includes the following technological steps that first, the collar core black carbon lining is aired after being processed by water vapor in a steaming mode, cut pieces of the top lapels and the sitting top collar are aired after being humidified through a humidifier, the bottom collar woolen cloth and the collar core black carbon lining are sewn, a cotton tape is sewn on a collar waistline AB, the top lapels and the sitting top collar are sewn, sewing joints on the outer edges of the top lapels are clipped between the bottom collar woolen cloth and the collar core black carbon lining to be sewn, and finally the collar is pulled to be shaped. The collar made with the making method does not need fusible interlining and totally depends on linen lining, namely the collar core black carbon lining, to foil the shape of the collar, the bottom collar woolen cloth and the collar core black carbon lining are sewn together with a manual sewing method, and thus the collar is soft, elastic, comfortable, natural and stiff and smooth to wear and suitable for being worn by various groups of people.