Method for preparing chewable tablets of drug for treating unstable angina pectoris

The invention discloses a method for preparing chewable tablets of a drug for treating unstable angina pectoris, and aims to solve the problem of treatment of unstable angina pectoris. The preparation method is characterized by comprising the steps as follows: (1), cassia twigs, long pepper, dalbergia wood and coarse galangal powder are subjected to steam distillation for extracting volatile oil for standby; (2), kudzuvine root, edible mussel and arisaema fargesii are decocted, condensed, dried and crushed to obtain cooked powder; (3), sanguis draconis is crushed to obtain fine powder for standby; (4), medicinal residue obtained in step 1 is mixed and decocted with radix codonopsitis, milk vetch, radix aconite lateralis preparata, radix salviae miltiorrhizae, corydalis tuber, red halloysite and glechoma longituba, the decoction solution is filtered and condensed to thick extractum, and the thick extractum is dried and crushed to obtain dry extractum powder; (5), the dry extractum powder, the cooked powder and