A bland and tasteless mouth feeling nauseous is often associated with individual physical condition, age factors, indigestion, fever and medication side effects. Patients are advised to consult a doctor promptly to clarify the cause and strengthen dietary regimen, along with medication, which can usually effectively improve the symptoms of pale taste and nausea. Common causes and related suggestions are as follows: 1. Personal constitution: such as a weak spleen and stomach. A weak spleen and stomach are unable to digest food, leading to upward rebellion of stomach gas, which in turn leads to symptoms such as pale and tasteless mouth, nausea and vomiting. In addition, malnutrition, micronutrient deficiencies and other individual factors also tend to lead to such symptoms. It is recommended to avoid spicy and stimulating food, fatty and sweet food to reduce the burden on the spleen and stomach, and to eat light, stomach-nourishing food, such as millet porridge, etc.; 2. Age factor: Due to the aging of the taste buds of the elderly, the function of taste is reduced, which leads to tastelessness. Zinc can be supplemented to slow down the rate of degeneration of taste buds, it is recommended to eat more food with high zinc content, such as shiitake mushrooms, pork liver, goat meat, etc.; 3, indigestion: abdominal cold, H. pylori infection, intestinal dysfunction, gastric ulcer, gastritis and other reasons can cause indigestion. In addition to light mouth, nausea, can be accompanied by loss of appetite, belching and other symptoms. Under the guidance of a doctor, you can take gastrodynamic and digestive drugs to relieve the symptoms, such as mosapride, digestive enzymes, etc.; 4, fever: In fever, the human nervous system is stimulated, metabolic function is weakened, and some people have symptoms such as light and tasteless mouth, nausea, etc. It can also be accompanied by weakness, dizziness and headache. At this time should be bed rest, diet to light appropriate, according to the situation to give a certain descending heat treatment; 5, drug side effects: taking certain chemotherapy drugs, antibiotics often appear after the mouth light, nausea and other symptoms. As such drugs stimulate the body cells and produce certain substances, resulting in patients with nausea, vomiting and other symptoms. It is recommended to eat more fresh fruits and vegetables, such as tomatoes and oranges. In addition, you can eat some nutritious and well-digested food, such as shrimp.