Smaller earlobes are mainly seen in the following situations: 1. Some patients have a family genetic history, for example, parents have small earlobes, and the child’s earlobes may also become smaller, because the size of the earlobes is very often determined by the family’s genetic predisposition. 2. The patient has recently had an underlying disease, for example, diabetes mellitus, poor glycemic control or other gastrointestinal disorders, which leads to the patient’s systemic nutritional deficiencies, systemic fat deficiencies, systemic water electrolyte deficiencies, the body is in a state of dehydration, the body lacks relevant vitamins. Water electrolyte deficiency, the body is in a dehydrated state, the body lacks relevant vitamins. In this case, the patient can appear earlobe atrophy, earlobe small change, this situation is very common. 3, may be related to psychological factors, some patients may be psychological pressure, emotional tension, they always look at the earlobe, so feel earlobe small, may be due to psychological factors lead to the feeling of earlobe small, in fact, there is no change in the size of the earlobe.