The aim of this rigorous thesis was to analyze the legal regulation of flexible forms of performance of work in the Czech Republic, through which it is possible to achieve harmony between personal and working life of employees. Therefore, the institutes of flexible forms of performance of work that employees use to harmonize their personal activities and work, are described in the thesis together with their advantages and disadvantages, their legal regulation including potential insufficiency of their current legal regulation and proposals for modification of such regulation and further, there are some recommendations for their contractual arrangements. There is a general description of flexibility of performance of work in the first chapte...