Formula generation method, chemical solution preparation method and related device

The invention provides a formula generation method, a chemical solution preparation method and a related device, and relates to the technical field of chemical solution preparation. The method comprises the following steps: obtaining basic information of a first target solution, wherein the basic information comprises a target pH value, a plurality of first substances and corresponding initial molar weights; determining a conditioning fluid from the plurality of first substances; judging whether the first target solution is configurable or not according to the basic information; if yes, the current pH value of the solution is calculated according to the current molar weight of each first substance, when the current pH value is not matched with the target pH value, the molar weight of the adjusting solution is adjusted according to the current pH value and the target pH value, the above calculation and adjustment are repeated until the current pH value is matched with the target pH value, and when it is determ