The invention discloses medicament for treating cardiac neurosis and a preparation method of the medicament. The medicament solves the problem that existing medicament is poor in effect on treatment of cardiac neurosis and has side effects. The medicament for treating cardiac neurosis comprises the following main materials of schisandra chinensis, manyprickle acanthopanax roots, albizzia julibrissin durazz, American ginseng, radix polygoni multiflori preparata, magnetit, fungus ganoderma lucidum, angelica sinensis, prepared dried rehmannia, fushen, agarwood and semen ziziphi spinosae. The medicine further comprises the following auxiliary materials of lumbrokinase, polypeptide, multivitamins, water-soluble dietary fibers, acipimox, phosphatidylcholine and honey. The medicament has the good curative effect on common cardiac neurosis in cardiovascular diseases, and has wide application prospect in the fields of treatment of palpitation, precardium area pains, dyspnea, panasthenia, anxiety, sinus arrhythmia and the like.