The invention relates to a compound 
amino acid capsule (8-11) and a preparation method thereof, specifically to a 
capsule including 
pellets of eight amino acids and eleven vitamins and a preparation method thereof. The 
capsule comprises 7 spherical 
pellets which are composed of the following raw materials by weight: 2.66 to 9.9 parts of a 
thiamine mononitrate pellet, 16.35 to 20.5 parts of a 
vitamin pellet a, 35.0 to 44.1 parts of an 
amino acid pellet a, 11.4 to 14.4 parts of a 
vitamin pellet b, 6.65 to 10.5 parts of an 
amino acid pellet b, 12. 73 to 16.0 parts of a 
vitamin C pellet and 5.7 to 9.36 parts of a vitamin AD bead. The capsule provided by the invention has the advantages of a scientific and reasonable ratio, good stability, no toxic and side effects, 
high security and good biological effects and can be applied in preparation of medicines used for treating chronic 
liver and kidney diseases and of foodstuffs used for alleviating and eliminating 
physical fatigue caused by exercise training. The capsule provided by the invention has characteristics superior to those of the prior art.