The invention discloses a steel-ring-free bra, relates to the field of underwear, and in particular relates to a steel-ring-free health bra. The steel-ring-free bra comprises cups, lace edges, shoulder straps, side panels, a center front, crossing buttons and a lower hem, wherein the cups are integrated mould cups and are connected with the shoulder straps, the lace edges are arranged at the upper edges of the cups, the lace edge of one cup extends to contact the lower hem, the lower hem is connected to the lower ends of the cups, the width of the lower hem increases, the side panels are arranged at the outer sides, in contact with the lower hem, of the cups, the part with the shape similar to a triangle formed between the lower hem and the two cups is the center front, and the crossing buttons are arranged on the lace edges. The steel-ring-free bra has the beneficial effects that the structure is simple, the design is reasonable, the use is convenient, and no steel rings are arranged, so that no adverse effects are caused to the health; due to the crossed integrated mould cups, the lactation is facilitated, meanwhile, the gathering effect is also achieved, so that the body is attractive; in addition, the lower hem is widened, by increasing the stressing area, the tightening feeling is reduced, so that a person wears the bra comfortably.