In order to give some practical suggestions to the operation mode of oil tea,by using the actual production and operation data of example base of high-yield oil tea in LiuYang City,the author forecasted the gained theoretic profits per unit area under the different operation scales and calculated the theoretic fund-profit ratio by applying EVIEWS(5.0) econometric software and method of OLS.The results indicated that when only production cost was considered and the supervision cost was neglected,the optimal operation scale of oil tea was not m...