There are the following clinical reasons for thinning earlobes. The first reason is that the patient may have had a recent weight loss. In this case, in addition to the thinning and smaller earlobes, the patient may also have some systemic manifestations such as a thinner face, less abdominal fat, and weight loss. This may be related to the patient’s recent malnutrition, poor eating, etc. Generally, in this case, it is recommended that the patient increase nutrition, add some high protein nutrition, and after a period of time, the patient’s weight should return to normal and the earlobe should return to its previous normal shape. In the second case, the patient has thinning earlobes, and at the same time, the patient has diarrhea, gastrointestinal diseases, weakness, long-term cough and other wasting diseases.