During the period of correction, there is no contraindication to the taste of food, that is, sour, sweet, bitter, spicy love to eat anything can be, but will be recommended not to eat too hard, too tough as well as too sticky food, because the aligner, whether it is the labial side of the aligner, or the lingual side of the aligner, which is bonded to the surface of the teeth, it is bonded to the strength of the adhesive. Because after correction, these aligners need to be removed, so its strength can cope with normal diet, meals, meat is no problem, but if you eat too hard things, such as gnawing on the bone, eat a very hard nut, the concentration of stress will lead to the aligner from the surface of the teeth off, the aligner off after the need to return to the hospital to be glued back again, a relatively delayed time.