The invention discloses a technological method for recycling germanium from corrosive liquid containing germanium and fluoride and relates to the technical field of hydrometallurgy, in particular to a technological method for recycling germanium from corrosive liquid containing germanium and fluoride through the methods of boric acid germanium precipitation for fluoride removal and fluoride removal through silicon dioxide. The technological method for recycling germanium from corrosive liquid containing germanium and fluoride is characterized in that boric acid and silicon dioxide are added at the same time, heating and volatilization are carried out, fluoride is removed, germanium is precipitated and enriched, and therefore germanium metal is recycled. According to the technological method, the fluoride removal rate can reach 78% or above, the fluoride content of slag containing germanium and residual liquid which are finally transferred into the chloridizing distillation step is smaller than 0.05%, the germanium slag grade obtained through precipitation can reach 25% or above, the germanium recycling rate before chloridizing distillation is carried out can reach 95% or above, the loss rate of germanium metal is smaller than 1.2% in the whole fluoride removal process, and some supernatant liquid waste obtained after fluoride removal is subjected to recycle recovery secondary germanium precipitation treatment. When chloridizing distillation is carried out on slag containing germanium and residual liquid, the germanium distil-off rate can reach 98% or above, and production technological requirements can be met.