diff --git a/CHANGELOG b/CHANGELOG
index 6548d897a8..7f070648f4 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,5 @@
+* Add dynamic label
+* Add prefix, suffix on tree view
 * Replace _constraints with validate in ModelStorage
 * Add selection_change_with on Selection and Reference fields
 * Add Dict fields
diff --git a/doc/topics/views/index.rst b/doc/topics/views/index.rst
index 3e152e2951..c1837c95b9 100644
--- a/doc/topics/views/index.rst
+++ b/doc/topics/views/index.rst
@@ -159,7 +159,8 @@ Display static string.
     * ``string``: The string that will be displayed in the label.
 
     * ``name``: The name of the field whose description will be used for
-      string.
+      string. Except if ``string`` is set, it will use this value and the value
+      of the field if ``string`` is empty.
 
     * ``id``: see common-attributes-id_.
 
@@ -491,6 +492,19 @@ field
 
     * ``completion``: see in common-attributes-completion_.
 
+prefix or suffix
+^^^^^^^^^^^^^^^^
+
+A ``field`` could contain one or many ``prefix`` or ``suffix`` that will be
+diplayed in the same column.
+
+    * ``string``: The text that will be displayed.
+
+    * ``name``: The name of the field whose value will be displayed.
+
+    * ``icon``: The name of the field that contains the name of the icon to
+      display or the name of the icon.
+
 Example
 -------
 
@@ -500,6 +514,9 @@ Example
 
   <tree string="Taxes" sequence="sequence">
       <field name="name"/>
+      <field name="percentage">
+          <suffix string="%"/>
+      </field>
       <field name="group"/>
       <field name="type"/>
       <field name="active"/>
diff --git a/trytond/ir/ui/tree.rnc b/trytond/ir/ui/tree.rnc
index 70e0799b44..e66066dc6c 100644
--- a/trytond/ir/ui/tree.rnc
+++ b/trytond/ir/ui/tree.rnc
@@ -12,7 +12,7 @@ attlist.tree &= attribute sequence { text }?
 attlist.tree &= attribute colors { text }?
 attlist.tree &=
   [ a:defaultValue = "0" ] attribute keyword_open { "0" | "1" }?
-field = element field { attlist.field, empty }
+field = element field { attlist.field, (prefix | suffix)* }
 attlist.field &= attribute name { text }
 attlist.field &= attribute readonly { "0" | "1" }?
 attlist.field &=
@@ -52,6 +52,11 @@ attlist.field &=
 attlist.field &= attribute float_time { text }?
 attlist.field &= [a:defaultValue = "0"] attribute pre_validate { "0" | "1" }?
 attlist.field &= [a:defaultValue = "1"] attribute completion { "0" | "1" }?
+prefix = element prefix { attlist.affix, empty }
+suffix = element suffix { attlist.affix, empty }
+attlist.affix &= attribute string { text }?
+attlist.affix &= attribute name { text }?
+attlist.affix &= attribute icon { text }?
 button = element button { attlist.button, empty }
 attlist.button &= attribute help { text }?
 attlist.button &=
diff --git a/trytond/ir/ui/tree.rng b/trytond/ir/ui/tree.rng
index 5a155d1dde..5d5b1da9fa 100644
--- a/trytond/ir/ui/tree.rng
+++ b/trytond/ir/ui/tree.rng
@@ -54,7 +54,12 @@
   <define name="field">
     <element name="field">
       <ref name="attlist.field"/>
-      <empty/>
+      <zeroOrMore>
+        <choice>
+          <ref name="prefix"/>
+          <ref name="suffix"/>
+        </choice>
+      </zeroOrMore>
     </element>
   </define>
   <define name="attlist.field" combine="interleave">
@@ -167,6 +172,33 @@
       </attribute>
     </optional>
   </define>
+  <define name="prefix">
+    <element name="prefix">
+      <ref name="attlist.affix"/>
+      <empty/>
+    </element>
+  </define>
+  <define name="suffix">
+    <element name="suffix">
+      <ref name="attlist.affix"/>
+      <empty/>
+    </element>
+  </define>
+  <define name="attlist.affix" combine="interleave">
+    <optional>
+      <attribute name="string"/>
+    </optional>
+  </define>
+  <define name="attlist.affix" combine="interleave">
+    <optional>
+      <attribute name="name"/>
+    </optional>
+  </define>
+  <define name="attlist.affix" combine="interleave">
+    <optional>
+      <attribute name="icon"/>
+    </optional>
+  </define>
   <define name="button">
     <element name="button">
       <ref name="attlist.button"/>
diff --git a/trytond/model/modelview.py b/trytond/model/modelview.py
index abc6b09836..322eedf8b6 100644
--- a/trytond/model/modelview.py
+++ b/trytond/model/modelview.py
@@ -418,7 +418,8 @@ class ModelView(Model):
             fields_attrs = copy.deepcopy(fields_attrs)
         childs = True
 
-        if element.tag in ('field', 'label', 'separator', 'group'):
+        if element.tag in ('field', 'label', 'separator', 'group', 'suffix',
+                'prefix'):
             for attr in ('name', 'icon'):
                 if element.get(attr):
                     fields_attrs.setdefault(element.get(attr), {})