The emotional activity of the patient with high emotion is abnormally enhanced, showing relaxed and happy, giddy and complacent, with rich and vivid expressions, appearing to have no worries and troubles, conceited and confident, and even exaggerated. This is a typical manifestation of bipolar disorder manic state, which often appears at the same time with the increase of thinking and activities, and constitutes a common syndrome – manic state. Mania is characterized by increased activity and a strong euphoria that is clearly disproportionate to reality, and light mania is a light form. The main manifestation is high emotion or irritability, accompanied by high energy, increased speech, increased activity, and in severe cases, accompanied by hallucinations, delusions, stress symptoms and other psychotic symptoms. Diet has a certain impact on the condition of this disease, so patients need to pay attention to the following two points. 1, avoid caffeinated food patients should avoid coffee, cola, tea, chocolate, alcohol and other foods containing excitatory elements. Also avoid sugar products, dairy products, and added chemical ingredients and coloring food. 2, eat more vegetables diet should contain vegetables, fruits, drupes, seeds, legumes. Whole grains and other cereals are a good choice, but do not consume too much bread. Eat white meat fish and turkey twice a week.