According to the Yun Pan Education Network, according to the Notice of the Office of the Municipal Education Bureau on Holding the Experimental Ability Competition for Primary and Secondary School Students in Lianyungang City in 2023 and the Notice of the Office of the Provincial Education Department on Holding the Experimental Ability Competition for Primary and Secondary School Students in Jiangsu Province in 2023, the experimental knowledge competition for primary and secondary school students in Jiangsu Province, as a sub-competition and a preliminary competition, has two links: a preliminary competition and a semi-competition.