Remnants of the tea will be left over tea soaked for a few days, poured on the roots of plants, can promote plant growth; residual tea leaves dried, put into the toilet smoked, can eliminate the stench, with the function of mosquitoes and flies; residual tea scrubbing wood, bamboo tables and chairs, which can be more polished; residual tea leaves dried, spread in the humid place, can be dehumidified; residual tea leaves dried, but also can be loaded into the pillowcase to act as a pillow core, very soft.