四区在河东地道外,是本市最偏僻的一区,区内有二千多户工商业,其中大多数都是私营的小型工厂和商店,只有极少一部份是公私合营的(职工在一百人以上的只有两家)。居民多是贫苦的劳动人民,生活程度和文化普遍的低于市内各区,居民中有二万六千多工人,其中五千多人在本区作工,工人中百分之七十是文盲,区内学校共有小学四十一处,市立的十七校 Four districts are outside Hedong Road. They are the most remote area in the city. There are over 2000 industrial and commercial areas in the area. Most of them are privately owned small factories and shops. Only a very small part of them are public-private partnerships Only two hundred or more). Residents are mostly poor working people, living standards and culture are generally lower than the city’s districts, more than 26,000 workers, of whom more than 5,000 work in this area, 70% of workers are illiterate The district has a total of 41 primary schools and 17 municipal schools