Reticulocutaneous cyanosis is a skin spasm, a cutaneous manifestation of certain diseases, and some normal people also develop reticulocutaneous cyanosis in cold environments. Gangrene is a specific morphologic change of black and dark green color due to secondary infection by spoilage bacteria and other factors after tissue necrosis. Both are seen together in the skin lesions of polyarteritis nodosa. Polyarteritis nodosa, also known as periarteritis nodosa and necrotizing arteritis, polyarteritis, etc., is a fatal disease. The clinical course of the disease is rapid and extensive, usually involving the systemic arterial system. The clinical manifestations are complex and variable, varying according to the site or organ involved. Patients are advised to eat a diet high in protein; high in vitamins; high in calories; avoid greasy foods; avoid fried foods; avoid high salt and high fat foods. Here are a few nutritional dietary treatments for you. 1, potato porridge Take potatoes, indica rice, cinnamon, sugar 100 grams each. Peel and wash the potatoes and cut them into small pieces. Wash the indica rice, put it into a pot, add the right amount of water, boil and add potatoes to boil, when the indica rice is almost cooked, then mix in cinnamon, sugar and boil slightly to eat. 5-7 days for a course of treatment. 2, banana lotus leaf hawthorn soup Take 2 bananas, 30 grams of hawthorn, lotus leaf 1. Cut the lotus leaf into small pieces, wash the hawthorn, cut the banana into pieces, add 500 ml of water, decoct to 300 ml, eat the banana and drink the soup in two times. 3, walnut sesame soy milk drink Take walnuts, black sesame seeds 30 grams each, soy milk, milk 200 ml each, the amount of honey. Walnuts, black sesame research into fine, and soy milk, milk together in a pot, boil and remove from the fire, wait for the temperature, mix in honey can be, 1 dose daily. 4, jujube lard soup Take 100 grams of jujube, 60 grams of raw lard. Wash the dates, with raw lard in a pot, add the right amount of water and cooked to eat. Served 3 times a week, 12 times for a course of treatment. 5, cauliflower stew mussels take cauliflower 15 grams, mussels 30 grams, loofah 10 grams, salt, monosodium glutamate each appropriate amount. The cauliflower, loofah, mussels washed into the pot, add the right amount of water stewed, and then put people salt, MSG seasoning can be eaten. Served once a day, 10 days for a course of treatment. 6, wild rice brown sugar drink Take 50 grams of wild rice, brown sugar appropriate amount. Washed and sliced wild rice, pot with 400 ml of water cooked over moderate heat, mix brown sugar, take the juice as tea, 1 dose a day, and serve 5-7 days. 7, peanuts, red beans, dates and garlic soup Take 90 grams of peanuts, red beans, red dates, 60 grams each, 30 grams of garlic. Put them into a pot with the right amount of water, fry for 20-30 minutes, and serve them daily in the morning and evening. 8, angelica lamb porridge take angelica 15 grams, lamb 50 grams – 100 grams, japonica rice 30 grams – 50 grams. Boil into porridge, take once a day or once every other day. 10 times for a course of treatment.