In accordance with survey and analysis of 500 college students at random from grade one to grade four of the six colleges in Hunan Province by means of the literature survey and questionaries the main reseasons of students subhealth are that the students are not suited the college surroundings,not to suit the college life;difficult communication;their feeling perplexed and the future employment difficulty.In their eyes they feel no bright future,they feel constrained.In addition some negative impact from the families and society.In the light of the reasons of their sub-health conditions the co...