Taobao Tmall platform I * * * is divided into seven levels, of which the highest level is level 7 and the lowest level is level 1. First-and second-tier merchants account for 70% of all Tmall sellers, and the amount of free natural search obtained by these merchants is very low, accounting for about 30%. The lighting category level of Tmall's home improvement lamps is specifically the home improvement main material lamps category, and the trademark is 1 1 category.