Control method for washing machine and washing machine system for implementing method

The invention discloses a control method for a washing machine and a washing machine system for implementing the method to solve the problem of the inaccurate adding volume of detergents of washing machines. The washing machine is provided with a communication function and is in communication connection with a server and a client corresponding to the server. A detergent utilization information database is stored in the server, the detergent utilization information database at least comprises detergent adding volume information corresponding to types of detergents and washing condition parameters, and the client stores and displays a detergent type list. According to the method, the detergent adding volume is obtained through selection operations on the detergent types on the client and inquiry and calculation of the server and synchronized to the washing machine, and the washing machine adds detergents automatically according to the detergent adding volume. According to the method, the detergent adding volume is accurately controlled, energy is greatly saved, and the user experience is enhanced.