Common causes of anxiety include the following: 1, genetic factors; 2, personality factors: some people are prone to anxiety because of their introverted personality and poor communication and verbal exchange; 3, life stimulation factors: most patients experience anxiety symptoms due to frustration and stress in their lives; 4, neurological disorders: for example, cardiovascular diseases, long-term hospitalization, examination and treatment, which make patients physically and mentally exhausted, and symptoms of anxiety can occur. Heart disease is more likely to be combined with anxiety.