If there are no serious side effects in dialysis patients during the medication period, it is usually possible to take cinacalcet for a long period of time, but it is necessary to follow the doctor’s instructions to use the medication and to test the serum calcium concentration regularly; if there are serious side effects such as gastrointestinal bleeding, peptic ulcer, etc., it is most likely not to be able to take this drug for a long period of time. Cinacalcet is suitable for chronic kidney disease maintenance dialysis patients with secondary hyperparathyroidism. Generally, most dialysis patients do not have any abnormal reaction or only occasionally have mild nausea and vomiting and other stomach discomfort after using the drug, and these patients can usually take this drug for a long time, and the serum calcium concentration should be tested regularly during the period of using the drug. If the patient develops serious adverse reactions such as severe hypocalcemia, prolonged QT interval, gastrointestinal bleeding, peptic ulcer, decreased level of consciousness, transient loss of consciousness after using the drug and the drug needs to be stopped immediately after careful diagnosis by a doctor, such patients are not allowed to take cinacalcet for a long period of time. Cinacalcet is not recommended for breastfeeding women and is also contraindicated for those who are allergic to the components of the drug. The drug should be used with caution in people with hypocalcemia, those at risk of or with a history of seizures, those with abnormal liver function, and those with a history of gastrointestinal bleeding or ulcers. Cinacalcet must be used only under the supervision of a doctor.