Cardiac neurosis is a syndrome resulting from a dysfunction of the central nervous system, which affects the plant nerve function causing cardiovascular dysfunction. The disease occurs mostly related to psychiatric factors, and patients are mostly accompanied by mental tension and anxiety. 1. Diagnostic points: 1.1 Exclude organic heart disease, but with palpitations, chest pain, chest tightness and other symptoms similar to coronary heart disease. 1.2 Systemic manifestations of neurosis and vegetative disorders, such as anxiety, tension, depression, excessive sweating, dizziness, fatigue, insomnia, irritability, etc. 1.3 The condition fluctuates greatly; it is more likely to attack before sleep, just after waking up and during quiet rest than during work or labor. 2. Clinical treatment: 2.1 Explain the condition and eliminate worries; this disease is different from organic heart disease and has a good prognosis. 2.2 If necessary, a small amount of sedative drugs can be given. 2.3 Chinese medicine treats the symptoms with definite effect.