Son-in-law (nǐXu), referred to as husband for short, refers to "daughter's husband", which can be found in Biography of Historical Records and Lisi by Sima Qian of Han Dynasty. In the dialects spoken in some northern regions such as North China and Northeast China, "son-in-law" also refers to "husband".

People often refer to son-in-law as son-in-law, son-in-law, son-in-law, son-in-law and son-in-law and attached horse.