As a annalistic hisfory of once a school leavers and later an off worker,the noval "He jiafang s Affairs"depicts the characfer s forbearing and fleeing for most of the lifefime,which provokes much disagreement.

Wulong is a major character in Sutong s series, who is considered as somewhat a turning point,and also a product of the first combination of "escape" and "back home " motif.

This article has six parts to discuss the phenomena of the escape during the Qin and Han dynasty ,they are the type of the escape ; the causation; the defence of the criminal ; what measure did the the feudal official take and the thought 、the influence and.

Through analyzes Su Tong s important novels of each different time, looks at in the novels regard "flies ", "railway" , "dream "as key image construct escape theme nature community of image that stand up jointly separately, then the leading plot of escaping to Su Tong s novels--Escape reason, way, final result and go on, analyze, expoun.

By the use of the death data from the investigation among over 250,000 people with ages from 25 years old to 74 years old in the period of 1994-2000 in Beijing urban and suburb areas provided by Beijing Institute of Cardiopulmonary and Vascular Disease,and the daily and monthly mean climate data in Beijing,the effects of extreme temperature on urban human death are analyzed.