There are several passwords when troops are in quick march, namely

There are four call signs:

1, ︱ 1 ︱ 2 ︱ 3 ︱ 4 ︱

2, ︱ 1 2 ︱ 3 ︱ 4 . After hearing the password to go, the troops began to March forward with their left feet;

Stop. After the troops heard the command of "Stop", their right feet moved closer to their left feet and stopped marching.

usually, the passwords of "walk" and "set" are on the left foot.

quick march shouted the slogan "One Two One" first, then landed with his left foot when he called one, landed with his right foot when he called two, landed with his left foot when he called "Stand" and landed with his right foot when he called "Set", and then took a step with his left foot and leaned his right foot, and the standing action was over.

Extended information:

China People's Liberation Army Queue Rules Chapter II Article 7 Queue Command Method

Queue command usually uses passwords. During the procession, except for walking to the left and marching in step, exchanging and saluting in front of each other, and falling on the left foot when the ceremony is over, everything else falls on the right foot. Change the command position, usually by running (using synchronous steps within 5 steps), and after entering the predetermined position, establish a positive posture and give the password. When the column is marching, you can give the password during the March.

Reference: Baidu Encyclopedia-China People's Liberation Army Queue Rules.