在我国社会经济迅猛发展,第三产业伴随各项事业也十分兴旺起来,其从业人员的数量显著增多;但从业人员不懂得卫生操作技术,不了解从业过程中的卫生要求和卫生知识,未经卫生知识培训或培训不合格就上岗的现象十分普遍,由此也产生很多的问题;如:1993年11月3日①,某工地食堂从工地 In our country’s rapid socio-economic development, the tertiary industry is also booming with various undertakings. The number of its employees has increased significantly. However, practitioners do not know how to operate hygienic practices and do not understand the hygiene requirements and health knowledge in the process of employment. Health knowledge training or training unqualified job on the phenomenon is very common, which also has a lot of problems; such as: November 3, 1993 ①, a canteen from the site