When the disease has healed or is under control, it is up to the doctor to decide whether or not to stop using the drug. Some drugs must be under the guidance of a doctor, after a gradual reduction in the amount of stage, such as the condition of no recurrence, in order to finally stop using, do not rush, blindly stop, so as not to cause the disease to relapse, causing danger. The following 15 cases should be paid special attention to: 1, the treatment of high blood pressure and heart disease drugs, such as anticardiac pain, nifedipine, thiamphenicol, Xindean, betalock, etc., the sudden cessation of the blood pressure can be sudden rise, or induce cerebral hemorrhage, angina pectoris, myocardial infarction, and so on. 2.Anti-arrhythmic drugs amiodarone used for a long time suddenly stop can induce serious arrhythmia. 3, various types of antiepileptic drugs such as phenytoin sodium, phenobarbital, etc., suddenly stop can induce seizures. 4, antipsychotics such as chlorpromazine, haloperidol, etc., sudden stopping can make the symptoms worse. 5, antidepressants such as paroxetine suddenly stop can lead to treatment failure. 6, long-term application of prednisone, flumethasone and other adrenocorticotropic hormone drugs, sudden stopping can induce symptom aggravation or adrenergic crisis. 7, the treatment of asthma drugs: such as sodium cromoglycate, suddenly stop can induce asthma attacks. 8, hypoglycemic drugs: such as metformin, insulin, suddenly stop can make the blood sugar rise, or even serious diabetic ketoacidosis or hyperosmolar coma. 9, the treatment of peptic ulcer drugs: such as pantoprazole sodium enteric capsule use time is not enough, suddenly stop can lead to peptic ulcer recurrence. 10, anticoagulant drugs: such as warfarin suddenly stop, can lead to thrombosis. 11, contraceptive drugs suddenly stop can lead to contraceptive failure. 12, anti-tuberculosis drugs suddenly stop can lead to recurrence of tuberculosis. 13. Sudden cessation of anti-hyperthyroid drugs can lead to recurrence of hyperthyroidism. 14. Sudden cessation of anti-rheumatic drugs can lead to relapse of rheumatism. 15. Treatment of infectious diseases with antibiotics can lead to relapse of the disease when the fever subsides.