homeopathy is an alternative medicine system that is based on prescientific ideas about biology, biochemistry and medicine. Homeopathy is based on the idea that “like cures like” (which is a form of magical thinking) and then performing successive dilutions of substances in water. Each dilution is believed to increase, not decrease, the “potency” of the final product. Final products tend to be massively dilute. In Other terms homeopaths, believe that a substance that causes symptoms of a disease in healthy people can cure similar symptoms in sick people .How do we know about the safety of homeopathic products?