1. Ruisi Subject English: Ruisi Subject English is an institution focusing on English education for young children, with an experienced team of teachers. They adopt international advanced teaching methods, pay attention to cultivating children's listening, speaking, reading and writing abilities, and stimulate children's interest in learning English through games and interactions.

2. EF Education: EF Education is a world-renowned language training institution with a branch in Nanjing. They offer English courses for children of different ages, focusing on cultivating children's oral expression and listening comprehension. Their teaching environment is comfortable and teachers' professional quality is high.

3. Midland English: Midland English is a well-known English training institution in China and also has a branch school in Nanjing. They provide comprehensive English courses for young children, including oral English, listening, reading and writing. Their teachers are experienced and their teaching methods are flexible and diverse.

4. Le Jia Le English: Le Jia Le English is an organization that focuses on English education for young children. Their teaching philosophy is "happy study and happy growth". They pay attention to cultivating children's sense of language and pronunciation accuracy, and let children learn English in a relaxed and pleasant atmosphere through games and interactions.

The above institutions have a good reputation in English education for young children in Nanjing. Each institution has its own characteristics and advantages. Parents can choose appropriate institutions according to their own needs and children's situation.