Dark filariasis is most common in people who work outdoors and are in constant contact with such decaying matter. It may present as shallow ulcers, petechiae, brownish-black spots, or warty growths, and may be characterized by a slight itch or mild swelling or pain, or may be asymptomatic. The subcutaneous tissue type of dark filariasis often has isolated, deep subcutaneous or muscular abscesses or cysts, and the lesions may be as large as an apricot kernel or several centimeters, or even a large plaque over the entire chest. Patients are most often seen in those who work outdoors and are in constant contact with such putrescences. They may appear as shallow ulcers, petechiae, brownish-black spots, or warty growths, and may be slightly itchy or mildly distended, or may be asymptomatic. Subcutaneous tissue-type dark filariasis often has isolated, deep subcutaneous or muscular abscesses or cysts, and the lesions may be as large as an apricot kernel or several centimeters, or even a large plaque over the entire chest. Systemic dark filamentous mycosis this type can be by the skin or subcutaneous tissue dark filamentous mycosis spread to the lymph nodes, lungs, brain and gallbladder, etc., can also have no skin damage, the initial lymph node or blood dissemination. Prevention should pay attention to improve the body’s immunity, especially cellular immunity, can use immunomodulatory drugs. Dietary advice is to eat foods that nourish yin and moisten the lungs, foods that promote the production of fluids and nourish the lungs, easy-to-digest or semi-liquid foods that are high in calories, vitamins and proteins, and light, liquid and fluffy foods that are rich in calcium and iron. The following foods are recommended to eat as much as appropriate: 1, oats Contain carbohydrates, protein (containing all essential amino acids), fat and a large amount of plant fiber, vitamin B1 and vitamin B12, a small amount of vitamin E, minerals, riboflavin and saponin. Oatmeal: ready-to-eat category with boiling water or with milk, can be consumed. 2, zucchini zucchini with heat diuretic, in addition to annoyance thirst, moistening the lungs to relieve cough, reduce swelling and dissipate the function of the knot. Cooking should not be overcooked to avoid nutritional losses. 3, mutton Mutton is rich in protein. Turnip pieces and lamb together in the pot, half an hour after the removal of turnip pieces, such as put a few pieces of orange peel better. Patients with large chest plaques avoid eating spicy and stimulating food, avoid eating too salty and greasy food. The following food is recommended to eat less or do not eat: 1, pickles taste sweet, pungent, warm, non-toxic. Chest large plaque patients avoid eating. 2, plums Sweet and warm fruit, so as not to help heat and phlegm. So as not to aggravate the condition, not conducive to the recovery of the disease. 3, white lentils suffering from cold and heat disease, suffering from cold air people, suffering from cold air people can not eat. Chest large plaque patients should avoid eating, so as not to aggravate the condition.