In the online drama Detective Chinatown, the two love scenes of " love at first sight " were actually quite common. In novels, this kind of plot was usually used to enhance the appeal of the plot while paving the way for the development of the character and the emotional line. From a literary point of view, this kind of love at first sight was usually given some romantic and dramatic elements, and it was often used to shape the character's personality and emotional traits. For example, the relationship between the protagonists might quickly heat up due to some unexpected events. This plot could make the readers more involved in the plot and pave the way for the development of the characters and emotional lines. However, for the audience, this kind of love at first sight could also cause some controversy. Some people might think that this plot was too exaggerated and unreal, while others might find it very attractive. From a literary and entertainment point of view, this kind of love at first sight plot had its advantages and disadvantages. It needed to be decided according to different situations and the preferences of the readers.