随着对外开放，国内外人员接触日益频繁，城乡人口大量流动，卖淫嫖娼、吸毒等丑恶现象死灰复燃，再加上绍兴市地处东南沿海开放地区，旅游业发达，外来人口流量大，性病发病率逐年上升，１９９７年市区各级医疗单位共报告性病病例５５０例，发病率为１７７４２／１０万... With the opening up to the outside world, more and more domestic and foreign personnel have been exposed to the epidemic, a large number of urban and rural population have migrated, prostitution, drug abuse and other ugly phenomena have resumed. In addition, Shaoxing is located in the southeastern coastal open area with developed tourism, large population flows, and incidence of STDs Year by year, in 1997, medical units at all levels in urban areas reported a total of 550 cases of STDs, with an incidence rate of 177.42 / 100,000.