It is dangerous for the elderly not to pass stool for a week, especially for patients with cardiovascular diseases, if they do not pass stool for a week, the process of forceful defecation may trigger cardiovascular diseases again, and more serious diseases such as cerebral hemorrhage, heart attack and other life-threatening diseases may occur. If the elderly do not defecate for a week, must promptly relieve this symptom, you can enema, use the open plug, can also take laxatives, further improve the relevant examination, to understand the reasons why the patient does not defecate, after a clear diagnosis, targeted treatment. It is important to ensure the smooth flow of stool, which can significantly reduce the production of toxins and reduce the occurrence of dangerous lesions.