Picking your nostrils will not make them larger. The nostrils are made up of nasal bone, nasal cartilage and soft tissue. The nostril tissue has a certain degree of toughness and elasticity, so picking the nostrils may temporarily cause the nostrils to become larger in size, when picking the nostrils is completed in the nostrils of their own toughness and elasticity of the role of the nostrils, the nostrils will return to normal shape. Without mechanical support or traumatic tearing the nostrils will not change in size. Nostril enlargement can be caused by a variety of reasons, and it is rare that nostril enlargement is caused simply by picking the nostrils. It is recommended that patients with enlarged nostrils should go to the ENT department of the hospital for a systematic examination to determine the cause of the problem and standardize the treatment according to the doctor’s instructions.