Legal analysis: the salary of cleaning staff should follow the principle of distribution according to work and implement equal pay for equal work. The wages paid by the employer to the workers shall not be lower than the local minimum wage. The specific standard of the minimum wage shall be formulated by the people's governments of provinces, autonomous regions and municipalities directly under the Central Government and reported to the State Council for the record.

Legal basis: People's Republic of China (PRC) Labor Law.

Forty-sixth wage distribution should follow the principle of distribution according to work and implement equal pay for equal work.

The wage level is gradually raised on the basis of economic development. The state exercises macro-control over the total wages.

Article 47 The employing unit shall independently determine the wage distribution mode and wage level of the unit according to its production and operation characteristics and economic benefits.

Article 48 The State implements the minimum wage guarantee system. The specific standard of the minimum wage shall be formulated by the people's governments of provinces, autonomous regions and municipalities directly under the Central Government and reported to the State Council for the record.

The wages paid by the employer to the workers shall not be lower than the local minimum wage.

Forty-ninth to determine and adjust the minimum wage standard should comprehensively refer to the following factors:

(a) the minimum living expenses of the workers themselves and the average dependent population;

(2) the average social wage level;

(3) labor productivity;

(4) Employment status;

(5) The difference of economic development level among regions.