The main difference is that the ends of the fingers or toes in patients with Pestle Finger are significantly enlarged and thickened compared to normal. Normal fingers or toes are of uniform size and move freely, whereas the ends of the fingers or toes are significantly enlarged and hypertrophied compared to normal. Generally, pestle finger is manifested as the soft tissue at the end of the fingers or toes is enlarged like a drumstick, and the fingernails and toenails are arched from the root to the end, so that the skin at the back of the end is equal to or greater than 180 degrees from the base angle of the fingernails and toenails. Pestle finger is mostly caused by hypoxia due to diseases of the cardiopulmonary system, such as bronchial asthma, bronchiectasis, lung cancer, and subacute endocarditis. A small percentage can be caused by heredity and poisoning. If you have pestle finger, you need to take active examination to identify the cause of pestle finger, and then treat the symptoms according to the cause of the disease. If you feel sick, please go to a regular hospital and follow the doctor’s advice.