The invention relates to a high energy horizontal planetary ball milling equipment for production of nanometer traditional Chinese medicine powder. The equipment comprises a main motor, a driving belt, belt wheels, a main shaft, a left wheel disc, a left half axle, a right half axle, ball milling jar sleeves, a right wheel disc, a planetary gear, an internal gear, an internal gear transmission shaft, a first shaft coupling, a worm and gear speed reducer, a second shaft coupling and a vice-motor, wherein the main shaft is horizontally disposed, a plurality of the ball milling jar sleeves are horizontally disposed and are circumferentially and uniformly arranged around the main shaft and between the left wheel disc and the right wheel disc, the main motor is driven by the driving belt and drives the main shaft to rotate, circular rotation of the ball milling jar sleeves around the axis of the main shaft is realized through the rotation of the main shaft, the left wheel disc and the right wheel disc, the ball milling jar sleeves are connected with the right half axle, the planetary gear on the right half axle is engaged with the internal gear, the internal gear is arranged on the internal gear transmission shaft, and the vice-motor drives the internal gear to rotate through the worm and gear speed reducer.