Potassium and magnesium menthylate tablets have the efficacy of increasing intracellular potassium and magnesium concentration to maintain the excitability of cardiomyocytes; promoting the tricarboxylic acid cycle of hepatocytes and improving liver function. Its common side effects include loss of appetite, nausea, vomiting, diarrhea and other gastrointestinal reactions, mostly recovered after stopping the drug. Potassium magnesium menthylate tablets can increase the concentration of intracellular potassium and can be used to treat hypokalemia. It can also increase the concentration of intracellular magnesium to maintain the normal excitability of cardiomyocytes, and can be used in myocarditis, myocardial infarction, heart failure and other myocardial metabolic disorders such as auxiliary treatment. In addition, Mentholatum potassium magnesium tablets can accelerate the tricarboxylic acid cycle of hepatocytes, improve liver function, reduce serum bilirubin, and can be used as a kind of liver-protecting drug for the treatment of liver insufficiency. Common side effects of Potassium and Magnesium Mentholatum Tablets include loss of appetite, nausea, vomiting, diarrhea and other gastrointestinal reactions, which will be recovered after stopping the drug. Mentholatum potassium magnesium tablets are contraindicated in patients with hyperkalemia, hypomagnesemia, severe renal dysfunction, severe atrioventricular block, and active peptic ulcer. Potassium and magnesium menthylate tablets need to be used under the guidance of a professional doctor and should be avoided on self-administration.