The invention discloses a detergent putting method and a washing machine. The detergent putting method includes: allowing the washing machine to calculate the putting amount of the detergent; notifying a user; allowing the user to manually operate a manual putting device to put the detergent to be added after automatic putting is complete if the user determines to add the putting amount of the detergent; or, cancelling automatic putting of the detergent and allowing the user to manually operate the manual putting device to put the detergent if the user determines to reduce the putting amount of the detergent. The washing machine includes an automatic putting device and a manual putting device, and the automatic putting device and the manual putting device of the washing machine can be controlled to put the detergent to a washing barrel. The detergent putting method and the washing machine can automatically change the putting amount of the detergent according to the demands of the user, and can satisfy the personalized washing demands.