A spring module for making a spring cushion of furniture, the spring module comprising: one or more springs (110c; 110d; 110e); and a spring bracket (120a; 120b; 120c) configured to hold and fix the one or more springs, the spring bracket comprising: a base (121a; 121b; 121c), the base having one or more first spring fixing parts, each one of the first spring fixing parts being configured to hold a first end of a corresponding spring (110c; 110d; 110e); an end cover (122a; 122b; 122c), the end cover having one or more second spring fixing parts, each one of the second spring fixing parts is configured to hold a second end of the corresponding spring (110c; 110d; 110e); one or more flexible connecting parts (123a; 123b; 123c), both ends of the flexible connecting part being connected to the base (121a; 121b; 121c) and the end cover (122a; 122b; 122c) respectively and positioned outside each spring (110c; 110d; 110e); and a rotary locking assembly provided on the base (121a; 121b; 121c) and the end cover (122a; 122b; 122c); wherein the base (121a; 121b; 121c) and the end cover (122a; 122b; 122c) are configured to be releasably locked together via the rotary locking assembly, so as to compress the one or more springs (110c; 110d; 110e) between the base (121a; 121b; 121c) and the end cover (122a; 122b; 122c). one or more springs (110c; 110d; 110e); and a spring bracket (120a; 120b; 120c) configured to hold and fix the one or more springs, the spring bracket comprising: a base (121a; 121b; 121c), the base having one or more first spring fixing parts, each one of the first spring fixing parts being configured to hold a first end of a corresponding spring (110c; 110d; 110e); an end cover (122a; 122b; 122c), the end cover having one or more second spring fixing parts, each one of the second spring fixing parts is configured to hold a second end of the corresponding spring (110c; 110d; 110e); one or more flexible connecting parts (123a; 123b; 123c), both ends of the flexible connecting part being connected to the base (121a; 121b; 121c) and the end cover (122a; 122b; 122c) respectively and positioned outside each spring (110c; 110d; 110e); and a rotary locking assembly provided on the base (121a; 121b; 121c) and the end cover (122a; 122b; 122c); a base (121a; 121b; 121c), the base having one or more first spring fixing parts, each one of the first spring fixing parts being configured to hold a first end of a corresponding spring (110c; 110d; 110e); an end cover (122a; 122b; 122c), the end cover having one or more second spring fixing parts, each one of the second spring fixing parts is configured to hold a second end of the corresponding spring (110c; 110d; 110e); one or more flexible connecting parts (123a; 123b; 123c), both ends of the flexible connecting part being connected to the base (121a; 121b; 121c) and the end cover (122a; 122b; 122c) respectively and positioned outside each spring (110c; 110d; 110e); and a rotary locking assembly provided on the base (121a; 121b; 121c) and the end cover (122a; 122b; 122c); wherein the base (121a; 121b; 121c) and the end cover (122a; 122b; 122c) are configured to be releasably locked together via the rotary locking assembly, so as to compress the one or more springs (110c; 110d; 110e) between the base (121a; 121b; 121c) and the end cover (122a; 122b; 122c).