After feeding high-protein diet in the weight lifting players of High School, and College investigating the changes of muscle power and vital capacity and then analysing serum total protein, albumin, globulin, cholesterol, the following conclusions were made. 1. After feeding In serum total protein for 60 days, A-group made an remarkable difference and increased 0.13 ㎎/㎗ (7.50±0.060) after 40 days. 2. In the change of albumin, A-group reached maximum values 0.09 ㎎/㎗ (4.96±0.094), after 40 days and B-group increased 0.07 ㎎/㎗ (50.1±0.078) after 40 days. 3. In globulin each group increased 0.02∼0.03㎎/㎗ gradually after 20 days, and reached maximum values A-group 0.06㎎/㎗, (2.54±0.0554), and B-group 0.5㎎/㎗ (2.49±0.071) after 40 days. 4. In total cholesterol, each group 1.0∼2.0㎎/㎗ increased gradually after 20 days and stabilizing values after 60 days. This indicates that continued training should decreased the amount of total cholesterol. 5. In the change of hand grip strength, A-group increased 4㎏±0.167 and B-group increased 4㎏±0.437 in right, which improved most of two groups. 6. In back strength, A-group increased 15㎏±0.148, which was also the highest of all groups after 60 days but B-group increased 14㎏ after 20 days. 7. In muscular endurance, A-group increased 2.6 sec after 60 days and B-group increased most 3 sec after 50 days. 8. In the vital capacity, they increased by degrees and then B-group improved most 258±31.66㎖, In the record of snatch and jerk, eight of twelve subjects improved 2.5∼5㎏. It has been relived that the good results are the effects of ingestion of highprotein, which is egg, cheese and Body Builder`s protein, during 60 days rather than the one of scientific training.