青少年正处在性发育时期,身体内部对性刺激的兴奋反应多于抑制,所以容易发生手淫。一般说来,开始往往是无意中发生的,如有的是衣裤太紧使生殖器受到摩擦和刺激所引起;有的在洗澡时揉搓或触摸外阴部,意外引起性兴奋;有的看了小说、电影、电视……引起性冲动。一些青少年就通过手淫寻找快感,来满足性冲动。这在青春期是常见的现象。一般 Adolescents are in the period of sexual development, more than the excitement of sexual stimulation within the body more than inhibition, so prone to masturbation. In general, the beginning is often inadvertently occurred, if any is too tight to the genitals caused by friction and stimulation of the genitals; some in the bath when rubbing or touching the genitals, accidentally caused by sexual excitement; some read novels, movies , TV ... cause sexual impulses. Some teenagers seek pleasure through masturbation, to meet sexual urges. This is a common phenomenon in adolescence. general