The healthcare sector presents many prospects for the implementation of Healthcare WSNs. The utilization of online data exchange within the healthcare sector not only improves operational effectiveness but also mitigates temporal limitations. However, it is encountered with a significant concern over data privacy, and security to the personal health-related data. The digital signature is widely employed in the digital world to ensure the preservation of integrity and privacy. An aggregate signature scheme can associate several signatures on different messages with a single signature. This particular characteristic offers significant advantages within a context characterized by restricted bandwidth and limited processing resources. This study provides a comprehensive evaluation and comparison of aggregate signature schemes in the healthcare environment. We examine their primary features, contributions, security aspects, and performance efficiency. The analysis incorporates the available aggregate signature schemes employed in healthcare.