White clothes yellow handle

Yellow white clothes was white Method:
 1 . After boiling rice water immersion cool, dry Qingcuo.
2 . At cast lemon yellow, then pour brine, dried Qingcuo.
3 . When washing water add alum.
4 . White clothes soaked with skim milk, or milk is added a little at the time of the last wash.
5 . Yellow orange peel with boiling water white.