The duck neck can have salty and spicy flavors after production, and more seasonings are added, so eating too much once in a while may cause some physical discomfort, such as heartburn and flatulence, but may not cause substantial harm. The duck neck is a very popular choice for those who want to eat more than once, but if you eat it for a long time, it may cause some harm to your gastrointestinal tract, kidneys and cardiovascular organs.1. Gastrointestinal effects: The production process of duck neck uses a lot of chili peppers to enhance the taste, and too much of it can stimulate the gastrointestinal tract, which can cause heartburn, gas and other uncomfortable symptoms in mild cases. In addition, if the duck neck production process is not thoroughly heated, undercooked cooking, and the amount of food additives is not standardized, it may lead to the residual bacteria and other harmful microorganisms in the duck neck, which may cause abdominal pain, diarrhea and other uncomfortable symptoms after consumption. In serious cases, it can lead to acute gastroenteritis, food poisoning and other diseases. For patients with gastrointestinal diseases, such as chronic gastritis and gastric ulcer, excessive consumption of duck neck may lead to aggravation of the disease and prolong the course of the disease; 2, kidney impact: a large amount of salt will be added during the production of duck neck to enhance the flavor and prevent spoilage. etc. In addition, for patients with kidney disease, such as nephritis, nephrotic syndrome, may lead to aggravation of disease symptoms; 3, cardiovascular impact: duck neck after production contains a lot of fat and salt, duck neck eating too much will make the body intake of excessive salt and fat, thus increasing the cardiovascular burden, may appear weakness, chest tightness, shortness of breath and other uncomfortable symptoms, long-term eating more duck neck may even lead to coronary heart disease, hypertension and other cardiovascular diseases. The long-term consumption of duck neck may even lead to coronary heart disease, hypertension and other cardiovascular diseases. In particular, patients with cardiovascular diseases should avoid eating more duck necks to avoid aggravating their condition. In addition, the long-term consumption of duck neck, can take in a large amount of fat, when it can not be consumed by the body, will be converted into fat in the body accumulation, resulting in the body fat situation.