A new-type all-glass evacuated tubular solar water vapor generator was designed and tested to provide flowing high temperature water vapor. The experimental apparatus consists of 60 linked collecting units, each mainly includes a simplified CPC, an allglass evacuated collecting tube and a heat transfer annular pipe amounted in the evacuated collecting tube. A special solidliquid mixed medium with high thermal conduction is filled between allglass evacuated tube and annular tube. The collecting performance of the apparatus was investigated for understanding the effect of weather condition conditions and collecting unit design on the vapor temperature, collecting power and system efficiency. Experimental results show that the vapor temperature in the outlet of the collector can reach 200 ℃, while the collector efficiency is above 0.332, which manifests excellent solar collecting performance. The present new solar water vapor generator demonstrates industrial potentiality and provides a good technology support for solar high temperature collecting system.