Pestle finger is a sign that is not particularly harmful in itself, but can indicate the presence of respiratory and cardiovascular disease. Pestle finger is mostly characterized by hyperplasia, hypertrophy, widening and thickening of the ends of the fingers or toes. It is mainly related to chronic hypoxia, metabolic disorders and toxic damage at the end of the limb. Capillary hyperplasia and dilatation of the terminal limb during hypoxia, due to the rich blood flow so that the soft tissue hyperplasia, the end of the expansion. The presence of pestle finger can indicate respiratory disease, cardiovascular disease and nutritional metabolic disease. For example, chronic lung abscess, bronchiectasis, bronchopulmonary cancer and other respiratory diseases; cyanosis type congenital heart disease, subacute infective endocarditis and other cardiovascular diseases; cirrhosis and other nutritional disorders. If you feel uncomfortable or suspect that you have pestle and mortar finger, it is recommended that you seek prompt medical attention for diagnosis and treatment.