Point-supported glass curtain wall: The curtain wall glass is fixed with stainless steel lapel claws, and the stainless steel lapel claws are welded to the shaped steel keel. The four corners of the curtain wall glass are processed in the glass manufacturer to complete 4 round holes with stainless steel lapel claws, and each claw is connected with 1 hole of 1 piece of glass, that is, 1 stainless steel lapel claws are connected with 4 pieces of glass at the same time, or 1 piece of glass is fixed on 4 stainless steel lapel claws.