A traditional Chinese medicine composition and a preparation thereof, and in particular, a micro drop pill. The traditional Chinese medicine composition comprises 50.0% to 99.9% of salvia miltiorrhiza and Panax notoginseng extract and 0.1% to 50.0% of borneol (by weight percentage). The salvia miltiorrhiza and Panax notoginseng extract comprises the following components (by weight percentage): salvianic acid A: salvianolic acid T: protocatechuic aldehyde: salvianolic acid D: rosmarinic acid: salvianolic acid B: salvianolic acid A: Notoginsenoside R1: ginsenoside Rg1: ginsenoside Re: ginsenoside Rb1: ginsenoside Rd: dihydrotanshinoneI: tanshinone I: cryptotanshinone: tanshinone IIΑ = (2-5): (0.5-1.9): (1.1-3): (0.2-1.2): (0.2-1): (0.5-2): (0.5-2): (0.2-1): (1.5-4): (0.1-0.5): (1-3.9): (0.1-1): (0.01-0.05): (0.05-0.1): (0.02-0.1): (0.1-0.5). A preparation method for the micro drop pill comprises vibration dropping, air cooling, and the like. The method can be used to manufacture drop pills, coated drop pills, and drop pill capsules with a high drug loading capacity. The composition has an effect of treating acute myocardial ischemia and acute myocardial infarction.