diff --git a/src/lv_font/lv_font_fmt_txt.c b/src/lv_font/lv_font_fmt_txt.c
index aa249d79f..0e7f024ae 100644
--- a/src/lv_font/lv_font_fmt_txt.c
+++ b/src/lv_font/lv_font_fmt_txt.c
@@ -113,6 +113,9 @@ static uint32_t get_glyph_dsc_id(const lv_font_t * font, uint32_t letter)
 
     lv_font_fmt_txt_dsc_t * fdsc = (lv_font_fmt_txt_dsc_t *) font->dsc;
 
+    /*Check the chacge first*/
+    if(letter == fdsc->last_letter) fdsc->last_glyph_id;
+
     uint16_t i;
     for(i = 0; i < fdsc->cmap_num; i++) {
 
@@ -147,9 +150,14 @@ static uint32_t get_glyph_dsc_id(const lv_font_t * font, uint32_t letter)
             }
         }
 
+        /*Update the cache*/
+        fdsc->last_letter = letter;
+        fdsc->last_glyph_id = glyph_id;
         return glyph_id;
     }
 
+    fdsc->last_letter = letter;
+    fdsc->last_glyph_id = 0;
     return 0;
 
 }
diff --git a/src/lv_font/lv_font_fmt_txt.h b/src/lv_font/lv_font_fmt_txt.h
index 26d792677..34678bdb5 100644
--- a/src/lv_font/lv_font_fmt_txt.h
+++ b/src/lv_font/lv_font_fmt_txt.h
@@ -184,6 +184,11 @@ typedef struct {
      * from `lv_font_fmt_txt_bitmap_format_t`
      */
     uint16_t bitmap_format  :2;
+
+    /*Cache the last letter and is glyph id*/
+    uint32_t last_letter;
+    uint32_t last_glyph_id;
+
 }lv_font_fmt_txt_dsc_t;
 
 /**********************