The present invention relates to a manufacturing method for a rubber band, comprising preparing a production raw material: mixing and stirring by weight percent 50%-80% vinyl-terminated polydimethylmethylvinylsiloxane, 19%-40% silica and 1%-10% hydroxy-terminated polydimethylsiloxane into a paste ready for use; feeding the aforementioned production raw material into forming molds to produce rough rubber bands; soaking the rough rubber bands in a surface treatment solution for a certain time p