Crossing is a general term. Ordinary crossing refers to crossing to an ancient dynasty, which can be subdivided according to the content.

If you cross to a dynasty that does not exist in history, it is overhead;

Those who cross into fantasy and fix the truth generally don't say crossing, but fantasy and fix the truth;

After the parents of a certain dynasty, it is described in detail, that is, farming; 、

Crossing to the martial arts;

Through the same humanities; etc

Another way to divide novels by sexual orientation includes general (male and female), long beauty (male and female), lily (female) and female respect (generally more women than men).