The invention belongs to the field of household electrical appliances and particularly provides garment treatment equipment and a cover opening control system thereof. The problem needs to be solved that when a cover opening key of an existing washing machine is damaged, a cover cannot be opened. In order to solve the problem, the cover opening control system comprises a common cover opening key and an emergent cover opening key which are arranged on a washing machine. The emergent cover opening key is connected with a spring bolt of an upper cover lock through a pull rope. When the common cover opening key is damaged, by pressing the emergent cover opening key, the pull rope can be driven to pull the spring bolt, so that the upper cover lock is unlocked, and an upper cover is opened. Therefore, according to the cover opening control system, after garments are washed, a user can open the upper open in time and take out the garments, and the situation is avoided that since the garmentsare placed in the washing machine for a long time, odor is generated.