1998 saw the record for the highest annual global temperature since the late nineteenth century.The temperature exceeded the previous,which was established in 1997,and marks the fourth time the record has been broken in the 1990s.The 1998 temperature is the highest on record in many countries.The 1998 was also the warmest year since 1880 in China.Substantial evidence shows that there is a stronger upward trend (of 0.50℃/100 years) than ever estimated for the annual temperature of China during the last hundred years.Enhanced warming trend has occurred in most part of East Asia,the remarkable trend is making the middlehigh continent of East Asia and the rapidest warming region in the world during the last 2 decades as well.