Hi may i ask if what is the symptoms if you have a kidney trouble?

Depends: There is a large variety of kidney diseases with different symptoms and some with no symptoms till advanced stage of disease. Please consult this site for more information. http://www.webmd.com/a-to-z-guides/understanding-kidney-disease-basic-information#1 For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex.