Loose-thread-proof weaving and dyeing process for sock

The invention provides a loose-thread-proof weaving and dyeing process for a sock and belongs to the technical field of daily use socks. According to the loose-thread-proof weaving and dyeing process for the sock, chinlon hot-melting silk is added to original weaving yarn for being weaved together with the original weaving yarn when the closing position of the sock is weaved by a hosiery machine and closing thread used for fixing is vinylon water soluble yarn. The chinlon hot-melting silk is grey color multistrand nonelastic yarn composed of 100% of chinlon, wherein the grey color multistrand nonelastic yarn composed of 100% of chinlon is used for avoiding loose thread at the closing position of the weaved sock after the sock is dyed. The vinylon water soluble yarn is grey color unistrand nonelastic yarn composed of 100% of vinylon, wherein the grey color unistrand nonelastic yarn composed of 100% of vinylon is used for fixing the closing position of the weaved sock and avoiding loose thread and damages befor