The content of fangzhongshu ranged from the most suitable age for marriage and the relationship between age and frequency of sexual activity, to sexual techniques and postures, the female sexual response, conception, practices to be avoided, treatments and herbal remedies for sexual dysfunction, and so on. We can say that it amounted to an ancient Chinese science of sex.
房中術的內容包括適婚年齡、年齡與行房次數的關係、性技巧、姿勢、女性的性反應、受孕、禁忌、性功能障礙治療、草藥方… 等等，可以說是一門中國古代的性科學。