Objective To investigate the current situation of online sexual harassment among different populations

which may provide references for relevant efforts.Methods An anonymous self-designed questionnaire survey on online sexual harassment was conducted via the " Wenjuanxing" platform

and a total of 1 277 interviewees participated in this survey from October to November

2017.Data were collected and analyzed.Results Up to 33.2%（424/1 277）of the interviewees experiences online sexual harassment.As for the form of online sexual harassment

61.0%（677/1 109）

56.9%（631/1 109）and 51.6%（572/1 109）chose "flirting message on a chatting platform"

" booty call on a chatting platform"

and "flirting pop-up message on a website"

respectively.The top 3 approaches of online sexual harassment were "chatting platform"（85.3%

946/1 109）

"live video"（44.5%

494/1 109）and "social network"（38.9%

431/1 109）.The proportions of interviewees who chose to "shield the harasser"

" keep the evidence and report to the police"

" use legal means to protect my rights"

and "others" after such an experience varied significantly with gender（all P<0.05）.The top 3 consequences from such an experience were "feel insecure and become more sensitive"（47.3%

525/1 109）

"affect life and study"（42.5%

471/1 109）and "great psychological pressure"（38.1%

423/1 109）.About70.2%（897/1 277）

65.2%（833/1 277）and 62.6%（800/1 277）of the interviewees believed that " booty call on a chatting platform"

"flirting pop-up message on a website"

and "flirting message

language or gesture in a live video" belonged to online sexual harassment

respectively.The top 3 reasons for frequent online sexual harassment were "inadequate network supervision"（67.9%

753/1 109）

"the harasser′s lack of network morality"（67.0%

743/1 109）and "the victim′s lack of sense of rights"（62.6%

694/1 109）.In interviewees who experienced online sexual harassment

the proportions of those who chose "the victim’s lack of sense of rights"

"the victim′s lack of citizenship quality"

"the harasser′s lack of network morality"

"lack of relevant family education"

"concealed behavior and difficult to obtain evidence" as the reason for frequent online sexual harassment in females were significantly higher than those in males（P<0.05）.Conclusion In the context of internet

the forms and approaches of online sexual harassment are diverse with expanding negative impacts.Thus

relevant measures should be taken in a timely manner to clean up the network environment

which may contribute to harmonious social development.