Nowadays people are doing anything to run their business in profit. They didn’t care about the factors affecting the society. Some of those industries are, say, tanning industries, leather industries that will dispose its waste water in the pure lakes, which is the main source of the water. Now in the list, the dairy industries from china have also been included. To see the maximum profits, they are mixing up the chemical substance, named, melamine. As this melamine doesn’t smell, the mixing cannot be found easily. This substance will never digest and so it has been deposited as stone like structure in the kidney. As time goes, this will become a block the kidney. Although there is an operation to clear the kidney stones, sometimes it leads to damage the function of the kidney. So the doctor’s best advice is to avoid the dairy products from china.