1. Characteristic 1: a solid herbicide composition, comprising: (a) at least one herbicide selected from the enzyme Acasa and ALS inhibitor categories, and various formulation compounds (1) or (2),wherein Ar represents a phenyl group substituted with one to four substituents independently selected from halogen, C₁₋₆ alkyl,C₁₋₆ alkoxy,C₂₋₄ alkoxyalkyl,C₂₋₆-carbonyl alkyl, C₁₋₈-thio alkyl, C₁₋₆ haloalkyl,hello Coxi C₁₋₆,haloalcoxialquilo C₂₋₄,haloalquilcarbonilo C₂₋₆,haloalquil C -tio -OCH CH --OCH₂CH₂CH₂-,-OCH O- u -OCH CH O-R stands for H or F； x stands for chlorine or ethylene； e stands for chlorine, ethylene or thyroid； and its salts and esters； among these ingredients, the composition of herbicide is about 1g / kg, and about 200g / kg in the total weight of ingredients； and (b) contains one or more additives, including one or more additives. The adsorbent contains about 50 g / kg in the composition and 750 g / kg in the total weight of the composition； and (c) one or more water-soluble solid polymers or oligomers,wherein the water soluble solid polymers or oligomers are present in the composition in an amount of about 200 g / kg to about 700 g / kg with respect to the total weight of the composition； wherein the composition does not comprise solid carbohydrate. Claim 6: The composition according to any one of claims 1 to 5, wherein the herbicide is at least one of cihalofop-butyl； penoxsulam； Bensulfurone-methyl； azimsulfurone； imazosulfurone； phenoxaprop-P-ethyl； the compound of the formula (3) or a C₁₋₆ alkyl ester or its salt；or the compound of the formula (4) or a C₁₋₁₂ alkyl or C₇₋₁₂ arylalkyl ester or its salt. Claim 21: A method of controlling undesirable vegetation in an aquatic environment, comprising sowing, spraying or adding an amount of herbicidal efficacy of the composition according to any of claims 1 to 20 to the aquatic environment either before of the emergency or after the emergence of undesirable vegetation. Claim 23: A method of preparing the
