Arsenic invades the human body, discharge by the urine, digestive tract, saliva, breast discharge, then accumulation in the Ministry of osteoporosis, liver, kidney, spleen, muscle, hair, nails and other parts. Arsenic on the nervous system, stimulate the blood-forming organs, a small amount into the human body a long time, have a stimulating effect on erythropoiesis, long-term exposure to arsenic poisoning can cause cell and capillary poisoning, may also induce cancer.