The design principles of public toilets are applicability, hygiene and economy; Under the premise of convenient excrement discharge and transportation, proper attention should be paid to beauty. According to different usage, the setting ratio of squatting (sitting) position for men and women is 1: 1 or 3: 2. The following are the design standards for the size of public toilets in general, for your reference. The plane size of bathroom and bathroom compartment in General Principles for Design of Civil Buildings GB 50352-2005 6.5.2 shall not be less than that specified in Table 6.5.2. (The data are as follows) Toilet compartment with external door opening is 0.90m x 1.20m bathroom compartment with internal door opening is 0.90m x 1.40m hospital patient-specific bathroom compartment1.10mx1.40m barrier-free bathroom compartment x/kloc-0.