The recovery time for hypokalemia cannot be specified. Usually, acute potassium deficiency returns to normal in about 1-2 days. However, the recovery time for chronic hypokalemia depends on the severity of the hypokalemia and the treatment measures taken. Depending on the severity of hypokalemia, oral or intravenous potassium supplementation may be indicated. For mild hypokalemia, oral potassium supplementation is recommended as much as possible. Generally, after 1-2 days of taking oral potassium tablets, the blood potassium level will gradually return to normal and the symptoms will disappear, but at this time, the disease has not fully recovered and treatment should be continued for 3-5 days to bring the intracellular potassium to normal, so the total course of treatment will take about 1 week. In severe cases or in patients who are unable to eat, intravenous potassium supplementation is required and the duration of treatment may be relatively longer. In addition to active oral and intravenous potassium supplementation, a systematic examination is needed to identify the cause of hypokalemia and to treat the original cause. At the same time, the diet can be adjusted to include foods rich in potassium, such as bananas, oranges, potatoes, etc.