The utility model relates to a forerunner reacts liquid preparation system, including a multichannel peristaltic pump, an iron stand platform, a vertical fixed plate is fixed in iron stand bench side, and vertical fixed plate top is equipped with transverse fixing plate perpendicularly, transverse fixing plate's upper and lower surface is just to a difference fixed connection motor supporting seat and a hybrid tube, the hybrid tube bottom is equipped with the opening, the top both sides are equipped with the inlet, motor supporting seat hollow integrated, motor supporting seat's last top surface and lower bottom surface and transverse fixing plate's corresponding position department all offer the installation through -hole with (mixing) shaft looks adaptation, and fixedly connected with brushless motor on the last top surface of motor supporting seat, brushless motor are connected to rotary speed controller, and the brushless motor lower extreme is connected with the (mixing) shaft simultaneously, and the (mixing) shaft passes motor supporting seat and transverse fixing plate stretches into hybrid tube, multichannel peristaltic pump connection has two hoses, and the output of two hoses is connected to the inlet of hybrid tube both sides respectively. The utility model discloses really accomplished the homogeneous mixing, abundant reaction obtains the result of more pure looks.