Because unit of choose and employ persons produces management need , working hours can be lengthened after classics and labour union and laborer talk things over , general and daily must not exceed a hour ; because special account needs those who lengthen working hours , working hours is lengthened below the condition with safeguard healthy laborer daily must not exceed 3 hours , but must not exceed 36 hours every months 用人单位由于生产经营需要，经与工会和劳动者协商后可以延长工作时间，一般每日不得超过一小时；因非凡原因需要延长工作时间的，在保障劳动者身体健康的条件下延长工作时间每日不得超过三小时，但是每月不得超过三十六小时。
" labor law " the 44th regulation , have one of following state , unit of choose and employ persons ought to pay prep above laborer the salary reward of salary of normal working hours according to following standard ; ( 1 ) arrangement laborer lengthens working hours , pay not the of 150 % pay pay under salary ; ( 2 ) job of playday arrangement worker cannot be arranged again fill rest , pay not the of 200 % pay pay under salary ; ( 3 ) legal and off day arranges laborer to work , pay not the of 300 % pay pay under salary 《劳动法》第四十四条规定，有下列情形之一的，用人单位应当按照下列标准支付高于劳动者正常工作时间工资的工资报酬； （ 1 ）安排劳动者延长工作时间的，支付不低于工资的150 %的工资报酬； （ 2 ）休息日安排劳动者工作又不能安排补休的，支付不低于工资的200 %的工资报酬； （ 3 ）法定休假日安排劳动者工作的，支付不低于工资的300 %的工资报酬。
Lengthen working hours to work overtime at will , it is health of body and mind of serious effect laborer above all ; the 2nd cause excessive hair to work overtime salary , reduce national finance income ; the 3rd reduce business economic benefits , go against economic system to make reform ; the 4th , execute extensively work overtime , also go against improvement business management ; the 5th , go against when improving skill , use rate and improve labor productivity 随意延长工作时间加班加点，首先是严重影响劳动者身心健康；第二造成滥发加班加点工资，减少国家财政收入；第三降低企业经济效益，不利于经济体制改革；第四，广泛实行加班加点，也不利于改善企业治理；第五，不利于提高工时利用率以及提高劳动生产率。
The country made specific provision in the special labor protection of lactation to female worker : " labor law " regulation : must not arrange female worker to be in the other work that the labor of the physical labor intensity of the 3rd class that lactation was not engaged in a country setting during the baby of 1 one full year of life completely and lactation contraindication are engaged in , do not lengthen working hours and evening shift labor so that arrange its 国家对女职工在哺乳期的非凡劳动保护做了明确规定： 《劳动法》规定：不得安排女职工在哺乳未满1周岁的婴儿期间从事国家规定的第三级体力劳动强度的劳动和哺乳期禁忌从事的其他劳动，不得安排其延长工作时间和夜班劳动。
Join the company worker of computational man - hour duty to executing put together , workaday as it happens is on the weekend of playday , belong to regular job ; execute the worker of the duty when adventitious via approval , the day that does not get labor law provision lengthens working hours standard and month to extend the restriction of working hours standard , but unit of choose and employ persons should use flexibility to work and rest appropriately working hours means , ensure the worker rests of job of off right and production , job finish 对实行综合计算工时工作制的企业职工，工作日正好是周末休息日的，属于正常工作；经批准实行不定时工作制的职工，不受劳动法规定的日延长工作时间标准和月延长工作时间标准的限制，但用人单位应采用弹性工作时间等适当的工作和休息方式，确保职工休息休假权利和生产、工作任务的完成。
Article 63 female workers during the period of breast - feeding their babies less than one year old shall not be arranged to engage in work with grade iii physical labour intensity as stipulated by the state or other labour that they should avoid during their breast - feeding period , or to extend their working hours or to work night shifts 第六十三条不得安排女职工在哺乳未满一周岁的婴儿期间从事国家规定的第三级体力劳动强度的劳动和哺乳期禁忌从事的其他劳动，不得安排其延长工作时间和夜班劳动。
Answer : unit of choose and employ persons arranges laborer to those who lengthen working hours is in beyond legal standard working hours , according to him laborer that does not agree under labor contract of hour salary standard 150 % pay salary ; worker of arrangement of unit of choose and employ persons works in playday and cannot fill rest , according to him laborer that does not agree under labor contract of day or hour salary standard 200 % pay salary ; unit of choose and employ persons arranges laborer to work in legal and off day , according to him laborer that does not agree under labor contract of day or hour salary standard 300 % pay salary 答：用人单位安排劳动者在法定标准工作时间以外延长工作时间的，按照不低于劳动合同约定的劳动者本人小时工资标准的150 %支付工资；用人单位安排劳动者在休息日工作而不能补休的，按照不低于劳动合同约定的劳动者本人日或小时工资标准的200 %支付工资；用人单位安排劳动者在法定休假日工作的，按照不低于劳动合同约定的劳动者本人日或小时工资标准的300 %支付工资。
