The nails lose their luster and flatness, become thin and brittle, and appear white horizontal lines commonly due to arsenic poisoning, arsenic has affinity with keratinized tissues of hair and nail skin, whether chronic arsenic poisoning or acute arsenic poisoning, as long as they survive more than 1 week after its poisoning, more content of arsenic can be found in the hair. Arsenic poisoning, often called arsenic poisoning, is mostly due to accidental or medicinal overdose poisoning. Poisoning by inhalation of its powder, fumes or contaminated skin during production and processing is also common. What are the dietary considerations for arsenic poisoning? Patients are advised to eat foods rich in vitamins and trace elements; foods with high water content; foods with low fat content; foods that are not fried or pan-fried; foods that are too greasy; and foods such as beef and mutton. Desirable food Zucchini: Zucchini has the function of clearing heat and diuretic, eliminating swelling and dispersing knots, which can promote the excretion of toxins with urine, 1-3 times a week, and can be eaten by healthy people. Corn: corn is rich in unsaturated fatty acids, especially linoleic acid content up to 60% or more, linoleic acid can reduce cholesterol, corn can also promote the discharge of harmful substances in the blood, the general population can eat, 2-3 times a week. Dates: Dates can improve the phagocytosis of mononuclear cells in the body, which protects the liver and enhances physical strength; the vitamin C in dates can reduce the damage of chemical drugs and poisons to the liver, which can be consumed by the general population, 5-7 pieces per day, but patients with hepatitis should eat carefully. Avoid food cheese: cheese when concentrated milk, protein, fat content is very high, will increase the load on the heart, the treatment period is prohibited to eat. Salted vegetables: salted vegetables contain high salt content, which will increase the burden on the kidneys and should be eaten sparingly. Patients with poisoning have a certain degree of impaired kidney function and should have a low salt and low protein diet. Chives: Chives are irritating and will stimulate the gastrointestinal mucosa. Patients with poisoning have weak digestive function and are not suitable for consumption and are contraindicated, especially those with yin deficiency and fire, and those with gastrointestinal weakness due to various reasons should not eat more.