The causes of kidney stones 11mm may be due to climate, diet, personal and body metabolism. 1. Climatic factors: climate can induce stone formation, summer is the peak incidence, sweating and breathing lose a lot of water, if not timely replenishment, easy to lead to the concentration of urine, may induce stones. Secondly, the sunshine time is prolonged, the human body synthesizes 25-hydroxyvitamin D increase, the body’s calcium content increases, urinary calcium excretion increases, easy to form kidney stones. 2. Dietary factors: insufficient water intake can lead to urine concentration, excessive intake of animal protein, sodium, calcium, long-term low magnesium diet, vitamin A, B6 deficiency will also increase the risk of kidney stones. Drinking water in mountainous areas is not purified and contains more minerals that may increase the risk of kidney stones. 3. Individual susceptibility factors: related to genes, there is a family aggregation. 4. Body metabolic factors: certain diseases cause abnormal metabolism, which exceeds the excretion capacity of the kidneys and easily form kidney stones. It is recommended that patients with kidney stones go to the hospital in time for the appropriate examination, and follow the doctor’s instructions for standardized treatment after clarifying the cause of the disease.