Hyperthyroidism potassium deficiency leading to leg weakness can be relieved by drugs, dietary modification and other ways, and at the same time to actively treat the primary disease. 1. Drugs: patients with leg weakness caused by potassium deficiency in hyperthyroidism can follow the doctor’s instructions to apply potassium chloride delayed-release tablets, potassium citrate granules and other drugs, which are potassium-supplementing drugs that can treat leg weakness caused by potassium deficiency in hyperthyroidism. 2. Dietary adjustments: daily diet can eat more potassium-containing foods, such as corn, sweet potatoes, chicken, fish, tomatoes, etc., which are beneficial to the symptoms of hyperthyroidism potassium deficiency leading to leg weakness. 3. Actively treat the primary disease: Hyperthyroidism patients may have low-potassium cycle paralysis, which is mainly characterized by low potassium during the attack, therefore, it is necessary to actively treat hyperthyroidism. It is suggested that patients should make a clear diagnosis in the hospital and follow the doctor’s instruction to improve the disease through medication and daily conditioning.