In order to study the effects of different irrigation amounts on the growth of honey oranges in the hilly red soil area, the project conducted a permeable concrete infiltration irrigation experiment on the field oranges in Nanfeng county. In the experimental site, three irrigation treatments with different irrigation levels (H1 low water, H2 medium water, H3 high water) were set up, and the results showed that the vertical distribution of soil moisture showed a tendency to increase first and decrease later, and the soil moisture content reached the peak when the permeable concrete filler was buried at a depth of 30 cm, the water content reached the peak of the water content; the branch growth rate of H2 irrigation levels was the largest during the whole growth period; With the growing amount of irrigation,the fruit type index basically showed a decreasing trend; the honey orange sugar content of each irrigation treatment increased with time, and the fruit sugar content of the H3 treatment group was the highest. Based on the responses of four indicators, including the growth law of honey orange, branch length growth rate, fruit transverse and longitudinal diameter, fruit type index, and honey orange sugar content, the best irrigation treatment was obtained when H3 under the conditions of permeable concrete infiltration of low hilly red soil.