Application of Semaphrin7A antibody in preparation of drug for treating myocarditis disease and drug containing Semaphrin7A antibody

The invention discloses an application of a Semaphrin7A antibody in preparation of a drug for treating myocarditis disease, and also discloses the drug containing the Semaphrin7A antibody as an activeingredient for treating the myocarditis disease. In a myocarditis mouse model, a diseased mouse is treated with the Semaphrin7A antibody, myocardial cell inflammation can be relieved, and the survival rate of mice can be increased; the Semaphrin7A antibody has important application prospect and popularization value in research, development and production of the drug for treating the myocarditis.