On September 21, 1934, in Japanese Gao Zhi county the typhoon that lands near room door cape is named to be " room door typhoon " , to Japan close the area created gigantic havoc on the west, because this also is called " close on the west fresh gale calamity " . Since room door typhoon achieved Japan to observation is recorded lowermost atmospheric pressure and the biggest instant wind speed, big building collapses in the typhoon. It also calls the 3 big typhoons of clear and times together with the typhoon of the pillow Qi typhoon 1945, Yi situation bay 1959. After room door typhoon is landed, cause this day of 2702 people to die, be missing 334 people, get hurt number 14994 people, the building damages 92740, the building is wided 401157, amount to 27594 by the ship that destroy and sinks. Room door typhoon is on September 21, 1934 before dawn is in know a county high west of room door cape is landed, the atmospheric pressure that the observation when loginning goes to is 911.6 Pascal, this created Japanese typhoon the record on observation history. Along with tiring-room wind along weak road island the course around, in the morning 8 when land again in slope god area, leave through be like narrow bay around Kyoto. On the method that passes in the typhoon, the building sufferred play havoc with, bedding face of special ligneous school building accumulates collapse, caused school teachers and students' serious casualties. At the same time the typhoon still causes Osaka bay seawater to flow backward, caused severe loss, be called so " close on the west fresh gale calamity " . The wind speed of the biggest moment that the observation institute that observatory establishs in room door in the center of Japan at that time measures is 60 meters / second, but subsequently observation instrument malfunctions, value of actual the biggest wind speed cannot decide. However, later Japan the experience according to room door typhoon, edited 2000 building standard standard, requirement building must can bear 61 meters of the following typhoons pound the biggest wind speed. Room door typhoon is landed afresh in slope god area when, as it happens catchs up with briny flood, the tide that causes from this is as high as 4 meters. It is so inside 30 minutes of time Osaka harbor haven is street on seeper exceeded 2 meters. Subsequently seawater flooded Osaka the city zone along gradient. There are more than 1900 people in Osaka bay area only, because fail seasonable and scattered and the water level that is risen quickly drowns. Room door typhoon still regards national treasure as to Japan, fivefold tower caused 4 days of Wang Si that were built 1812 to be destroyed thoroughly, bring about dump of whole audience hall. Although sufferred the gigantic havoc of unprecedented typhoon,do not pass, japanese is after calamity happening, the street controls the occasion that passes through in order to still let us look again today on the road not by do not plaint the self-discipline of this nation. Japan's so latter-day rise and powerful, do not do not have a truth.