High blood lipids do not directly cause mortar and pestle finger. High blood lipids, also known as hyperlipidemia, can be caused by dietary abnormalities and family history of the disease, and may not present any symptoms in the clinic, which can only be determined by blood tests. Pestle finger is a non-specific sign, mostly associated with pulmonary disease, cardiovascular disease, digestive disease, chronic pyelonephritis, hyperthyroidism, hypertrophic osteoarthropathy and other diseases. 1. Lung diseases mainly include severe tuberculosis, bronchiectasis, chronic obstructive pulmonary emphysema, etc. 2. 2. Cardiovascular diseases mainly include congenital heart disease, subacute infective endocarditis, chronic pulmonary heart disease and so on. 3. Diseases of the digestive system mainly include liver cirrhosis, restrictive enteritis, ulcerative colitis and so on. 4. Other diseases include chronic pyelonephritis, hypertrophic osteoarthropathy, hyperthyroidism, spinal cord cavernous disease and so on. When pestle finger occurs, it is necessary to go to the hospital in time, under the guidance of professional physicians, reasonable diagnosis and treatment.