The double-sphere sign seen on cardiac angiography is a manifestation of the stenotic type of Ebstein syndrome, also known as Ebstein malformation, which is a condition in which the tricuspid septal and/or posterior valves occasionally attach to the right ventricular wall near the apex along with the anterior valve, accounting for approximately 0. 5% to 1. 0% of precordial disease. This disease, also known as tricuspid inferior valve malformation, requires surgical treatment. So, what are the dietary contraindications for patients with bicuspid signs seen on cardiovascular angiography? The following is a brief introduction: a. The dietary principles of cardiovascular angiography patients: 1, less oil, less salt, less sugar dietary principles. 2, eat more high fiber vegetables and fruits, choose more whole grain foods, or unprocessed legumes, such as kale, cabbage, groundnuts, taro, bamboo shoots, asparagus, konnyaku, brown rice, oats, whole wheat bread, soybeans, red beans, green beans, etc. 3, take more vitamin E, can strengthen the heart muscle, prevent the formation of blood clots, reduce cholesterol, such as wheat germ, sesame, olive oil, etc. 4.It is advisable to have small and frequent meals. Second, cardiovascular angiography see double spherical sign patients contraindicated: 1, avoid eating high-sugar food, so as not to increase blood sugar to increase the synthesis of triglycerides, resulting in elevated blood lipids, which is detrimental to the heart. 2, avoid smoking, because nicotine will stimulate adrenaline, speed up the heartbeat, vasoconstriction, increased blood pressure, and induce heart disease. 3, avoid strong tea, coffee. 4, avoid high fat food, such as: fat, bacon, chicken and duck skin, pork skin, fish skin, cream, etc.. 5, avoid eating foods with high cholesterol content, including: animal offal (brain, liver, etc.), egg yolk, shellfish and fish eggs, etc. 6, avoid overeating, too fat will induce coronary heart disease. 7, avoid eating stimulating food, diet as little as possible with ginger, chili, pepper and other spicy condiments.