On this day, 47 years ago, March 28, 1978 (February 20, 1978, the lunar calendar), Deng Xiaoping pointed out: We must adhere to the principle of distribution according to work. On March 28, 1978, Deng Xiaoping pointed out in a conversation with the head of the Political Research Office of the State Council that we must adhere to the socialist principle of distribution according to work. Distribution according to work means distribution according to the quantity and quality of labor. Spiritual encouragement is necessary, but material encouragement is also indispensable. Various measures that have been effective in the past must be restored. The bonus system needs to be restored. The fee system should also be restored. The general purpose is to encourage everyone to make progress.