The utility model discloses an anion-resistant modified amino silicon oil production device which comprises a reaction kettle, a feeding port is formed in the top of the reaction kettle, a dischargingport is formed in the bottom of the reaction kettle, the reaction kettle is communicated with a vacuumizing device through an exhaust pipe, and the reaction kettle is communicated with a nitrogen supply device through a gas supply pipe. An acidity and alkalinity sensor is mounted in the reaction kettle and is electrically connected with an intelligent control device through an electric wire; thereaction kettle is communicated with the large branch pipe and the small branch pipe through an adjusting header pipe; electromagnetic valves are arranged on the large branch pipe and the small branchpipe and are communicated with the alkali box; the electromagnetic valves are electrically connected with the intelligent control device; the inner diameter of the large branch pipe is greater than that of the small branch pipe; a heater is fixed in the inner wall of the reaction kettle; a stirring structure is arranged in the reaction kettle and is connected with a rotary power structure. The device is simple in structure and convenient to use, ensures that the modified silicone oil does not fail due to air oxidation in the production process, and is quick and accurate in pH adjustment.