Network Valentine's Day yog kev hlub kev lom zem nyob rau hauv cov ntaub ntawv hnub nyoog. Nws ua kev zoo siab rau lub Tsib Hlis 20 thiab 21 txhua xyoo. Lub koob tsheej yog los ntawm tus neeg hu nkauj Ntxuam Xiaoxuan's Digital Love, uas "520" muab piv rau "Kuv hlub koj" [1], thiab tus kws ntaus nkauj Wu Yulong cov nkauj online, uas "Kuv hlub koj" yog ze ze rau "Internet lover" [ 2]. Tom qab ntawd, "521" tau maj mam muab lub ntsiab lus ntawm "Kuv ua, Kuv hlub koj" los ntawm cov neeg nyiam [3]. "Cyber Valentine's Day" tseem hu ua "Hnub zoo nkauj tshoob", "Confession Day", "Sajiao Day" thiab "Courtship Day" [4].
Nyob rau hauv no fashionable, hluas, sab ntsuj plig thiab implicit Success, "520 (521) 1314 Kuv hlub koj (Kuv txaus siab rau) tag nrho kuv lub neej" yog nws classic digital quotation [5]. Wu Yulong's [6] Internet Lover [7] yog zaj nkauj tseem ceeb ntawm kev ua koob tsheej [8]. Cov neeg nyob rau hauv ob hnub no, los ntawm cov tsoos (mobile thiab PC) Is Taws Nem network (nrog WeChat, QQ, weibo, BBS, thiab lwm yam rau lub platform lossis bold text messaging ntawm xov tooj ntawm tes (qhia) kev hlub, txawm tias ib qho khoom plig (lub hnab ntawv liab) kev hlub, mus nrhiav kev hlub, suav tsis txheeb cov khub niam txiv sib yuav, kab tshoob loj [9], ntau lub lag luam kuj sim ua cov deals, luv nqi thiab lwm yam kev tshaj tawm, Ib nthwv dej ntawm hnub so ua npaws tau tawm hauv online thiab offline. Nrog cov neeg coob coob tuaj koom lub koob tsheej, ntau yam xov xwm (xov xwm, TV, Internet, thiab lwm yam) tau tshaj tawm "Online Valentine's Day", "Hlub Hnub" thiab "Sajiao Day" ntawm 520 thiab 521.
