人们一般都认为人的性问题只是到了青春发育期以后才出现的,在儿童时期,特别是婴、幼儿时期不存在什么性问题。但是时至今日,这种观念已经逐渐被现代科学和实际生活所打破了。奥地利精神病学家弗洛伊德把人的本能分为两大类:“饥”和“爱”,认为两者都是与生俱来、 People generally think that human sexual problems only appear after the puberty period. There are no sexual problems in childhood, especially infants and young children. But up to now, this concept has gradually been broken by modern science and real life. The Austrian psychiatrist Freud divided human instinct into two major categories: “hunger” and “love”, both of which are innate,