Adenosine cyclic phosphate is a small molecule with intracellular information transmission, which is called intracellular messenger or second messenger.It is often used to treat cardiogenic shock, myocarditis, myocardial infarction and angina pectoris. It can also play a good role in improving some symptoms such as shortness of breath and chest tightness caused by rheumatic heart disease. In addition, it can also treat acute leukemia, improve the efficacy of treatment, and also play a certain role in senile bronchitis or some hepatitis. It can also treat psoriasis.