The symptoms of high potassium include muscle weakness, fatigue, tiredness, coldness of the extremities, loss of tendon reflexes, and in severe cases, hemiparesis of the extremities, as well as altered movement and consciousness, such as drowsiness, headache, dizziness, and other central nervous symptoms. The main danger of high potassium is that it affects the heart, as significantly high potassium can lead to atrioventricular block and cardiac arrest. Therefore, it is important to go to the hospital when symptoms appear, such as taking blood for potassium to see if it is >5.5mmol/L or more, and also to give symptomatic treatment with drugs such as high glucose insulin and sodium bicarbonate. High potassium and there is no food can play a role in reducing potassium, can only eat less potassium-containing food in the diet, such as bananas, strawberries, oranges, spinach, yams, mao beans, chicken, etc., these foods are rich in potassium so eat less; can eat pumpkin, diamond powder, garlic seedlings, etc., these foods contain less potassium. Medications can choose to eat potassium-depleting diuretics, such as furosemide, hydrochlorothiazide and other drugs.