1. Characteristic 1: an ingredient of an underwater herbicide concentrate, which is characterized by comprising a microcapsule of an acetyl herbicide, wherein the acetyl herbicide is at least 25% by weight according to the content of the active ingredient in the ingredient； A prooxidant inhibitor (PPO inhibitor) can be dissolved in water；Requirements 4: the composition of the aqueous herbicide concentrate in any one to three requirements, characterized in that the thickness of the pseudo polypeptide includes a water-soluble rubber selected from its group. In guar rubber, xantana rubber and these combinations. 19. Claim 6: the composition of any one to five water herbicide concentrate requirements, which is characterized by: in the aqueous phase, the concentration of acetic herbicide is about 0.5% to 10%.So many herbicides. 11. Claim 19: an ingredient of an underwater herbicide concentrate, characterized by comprising: a microcapsule containing a core material, including an acetate herbicide and a deck wall material encapsulating the core material.The aqueous phase consists of herbicide acetate and a protogen inhibitor oxidase that is soluble in water (PPO inhibitor),According to the calculation of active ingredients, the total content of acetamide herbicide in the ingredients is at least 25% by weight, and the proportion of total herbicides from acetamide to PPO inhibitor is about 1:10 to 10:1 by weight；In the aqueous phase, the concentration of herbicide is about 0.5% to 10% of the total weight of herbicide. 150. Claim 30: composition of the aqueous herbicide concentrate in any one of the 25 to 29 claims, characterised by the fact that the destroyer in the structure includes urea. 1. Claim 31: composition of water herbicide concentrate in any claimFrom 1 to 6, from 19 to 30, it is characterized by also including a density adjusting agent. Claim 32: composition of the aqueous herbicide concentrate in claim 31, which is characterized by the density regulator includin
