Vitamin D poisoning can have general manifestations, nausea, vomiting, diarrhea, frequent urination, increased nocturia, headache, blood pressure drop and other general manifestations and digestive system, urinary system and cardiovascular system performance. 1. General performance: vitamin D poisoning can appear in the early stage of reduced diet, poor mental health, irritability, low fever and other manifestations. 2. Digestive system: some people may have nausea, vomiting, diarrhea, constipation and other digestive system manifestations. 3. Urinary system: the disease progresses to the late stage can also appear frequent urination, increased nocturia and other conditions, and even life-threatening renal failure. 4. Cardiovascular system: some patients also manifested as headache, increased or decreased blood pressure, anemia and other symptoms. It should be noted that people who take too much vitamin D should go to the hospital as soon as possible to assess their condition and actively cooperate with the treatment.