The present invention relates to one kind of efficient broad spectrum compound antibiotic medicine composition specially for farm animals. The compound antibiotic medicine composition contains florfenicol in 1-30 wt% and amino glucosides in 1-30 wt%. The compound antibiotic medicine composition comprising florfenicol and amino glucosides possesses synergistic antibiotic effect in preventing and treating farm animals' respiratory tract and digestive tract diseases. The compound antibiotic medicine composition may be prepared into pre-mixture, orally taken liquid or injection, and may be also added into feed. |