diff --git a/src/spaceone/cost_analysis/manager/unified_cost_manager.py b/src/spaceone/cost_analysis/manager/unified_cost_manager.py
index 30e9857..3e707df 100644
--- a/src/spaceone/cost_analysis/manager/unified_cost_manager.py
+++ b/src/spaceone/cost_analysis/manager/unified_cost_manager.py
@@ -5,7 +5,7 @@
 from dateutil.relativedelta import relativedelta
 from mongoengine import QuerySet
 
-from spaceone.core import queue, utils, config
+from spaceone.core import queue, utils, config, cache
 from spaceone.core.error import *
 from spaceone.core.manager import BaseManager
 
@@ -78,24 +78,54 @@ def analyze_yearly_unified_costs(self, query, target="SECONDARY_PREFERRED"):
 
         return self.unified_cost_model.analyze(**query)
 
-    def analyze_unified_costs_by_granularity(self, query: dict) -> dict:
-        granularity = query["granularity"]
+    @cache.cacheable(
+        key="cost-analysis:analyze-unified-costs:yearly:{query_hash}", expire=3600 * 24
+    )
+    def analyze_unified_yearly_costs_with_cache(self, query: dict) -> dict:
+        return self.analyze_unified_costs(query)
+
+    @cache.cacheable(
+        key="cost-analysis:analyze-unified-costs:monthly:{domain_id}:{query_hash}",
+        expire=3600 * 24,
+    )
+    def analyze_unified_monthly_costs_with_cache(
+        self, query: dict, query_hash: str, domain_id: str
+    ) -> dict:
+        return self.analyze_unified_costs(query)
+
+    def analyze_unified_costs_by_granularity(self, query: dict, domain_id: str) -> dict:
+
         self._check_unified_cost_data_range(query)
+        granularity = query["granularity"]
+
+        # Save query history to speed up data loading
+        query_hash: str = utils.dict_to_hash(query)
 
         if granularity == "DAILY":
             raise ERROR_INVALID_PARAMETER(
                 key="query.granularity", reason=f"{granularity} is not supported"
             )
         elif granularity == "MONTHLY":
-            response = self.analyze_unified_costs(query)
+            response = self.analyze_unified_monthly_costs_with_cache(
+                query, query_hash, domain_id
+            )
         else:
-            response = self.analyze_yearly_unified_costs(query)
+            response = self.analyze_unified_yearly_costs_with_cache(
+                query, query_hash, domain_id
+            )
 
         return response
 
     def stat_unified_costs(self, query) -> dict:
         return self.unified_cost_model.stat(**query)
 
+    @staticmethod
+    def remove_stat_cache(domain_id: str):
+        cache.delete_pattern(f"cost-analysis:analyze-unified-costs:*:{domain_id}:*")
+        cache.delete_pattern(f"cost-analysis:stat-unified-costs:*:{domain_id}:*")
+
+        _LOGGER.debug(f"[remove_stat_cache] domain_id: {domain_id}")
+
     @staticmethod
     def push_unified_cost_job_task(params: dict) -> None:
         token = config.get_global("TOKEN")
diff --git a/src/spaceone/cost_analysis/service/unified_cost_service.py b/src/spaceone/cost_analysis/service/unified_cost_service.py
index 01969e8..89fc973 100644
--- a/src/spaceone/cost_analysis/service/unified_cost_service.py
+++ b/src/spaceone/cost_analysis/service/unified_cost_service.py
@@ -83,8 +83,8 @@ def run_unified_cost_by_scheduler(self, params: dict) -> None:
                     exc_info=True,
                 )
 
-    # @transaction(exclude=["authenticate", "authorization", "mutation"])
-    def run_unified_cost(self, params: dict):
+    @transaction(exclude=["authenticate", "authorization", "mutation"])
+    def run_unified_cost(self, params: dict) -> None:
         """
         Args:
             params (dict): {
@@ -94,11 +94,6 @@ def run_unified_cost(self, params: dict):
                 "exchange_date": 'str' (optional)
             }
         """
-
-        from spaceone.core import model
-
-        model.init_all(False)
-
         domain_id = params["domain_id"]
         aggregation_month = params.get("month")
         exchange_date = params.get("exchange_date")
@@ -167,6 +162,8 @@ def run_unified_cost(self, params: dict):
             self.unified_cost_job_mgr.update_is_confirmed_unified_cost_job(
                 unified_cost_job_vo, is_confirmed
             )
+
+            self.unified_cost_mgr.remove_stat_cache(domain_id)
         except Exception as e:
             _LOGGER.error(f"[run_unified_cost] error: {e}", exc_info=True)
             self.unified_cost_job_mgr.update_is_confirmed_unified_cost_job(
@@ -332,8 +329,11 @@ def analyze(self, params: UnifiedCostAnalyzeQueryRequest) -> dict:
         """
 
         query = params.query or {}
+        domain_id = params.domain_id
 
-        return self.unified_cost_mgr.analyze_unified_costs_by_granularity(query)
+        return self.unified_cost_mgr.analyze_unified_costs_by_granularity(
+            query, domain_id
+        )
 
     @transaction(
         permission="cost-analysis:UnifiedCost.read",