1) By injecting Terramycin 20mg/kg intravenously, Total V. C. content within blood decreased 16.5% in an hour; after 2 hours' duration, experienced an increase of 8.9% on the contrary. Within skin, it has increased 8.2% in an hour, 28.4% in 2 hours; on the contrary, it has proved a decrease after 5 hours. 2) In case 60 mg/kg Terramycin has been intravenously injected, Total V. C. amount in blood kept on decreasing from 2 hours after, but returned to its normal state after 24 hours. In skin, it has also undergone a similar slight decrease, but has recovered to its normal state after 24 hours, without any noticeable influences.