Weak pulse can be seen for the following reasons: First, for elderly people who are excessively weak, too debilitated or have nutritional insufficiencies, such as hypoproteinemia or electrolyte disorders in the body, will have clinical signs and symptoms of a weak pulse. Second, for example, people with frequent hypotension, hypoglycemia, and malnutrition will also have weak pulse. Third, in women with excessive menstrual flow and anemia during menstruation, the clinical manifestation of weak pulse may also occur. Fourth, in patients suffering from cardiovascular disease, severe weakness of the pulse may occur. Fifth, patients with various causes of shock, such as hypovolemic shock, infectious shock, obstructive shock, and cardiogenic shock, usually have a weak pulse as the most common clinical manifestation.