This invention relates to a precise solid detergent with preset and stored instructions, and precise processing method for storing and packing the instruction system. The detergent can be added precisely without the assistance from any measurer. The detergent can be used in a small amount and release components following preset instructions in normal or lower temperature water. The detergent can be used for washing fabrics by hand, traditional washing machine, or environmentally friendly washing-powder-free washing machine. |