According to five elements, four seasons, five internal organs and health preservation:

Nourish the liver in spring. The liver is green, in the east. The trick is in the eyes. Therefore, nourishing the liver and improving eyesight.

Nourish the heart in summer. The heart belongs to fire. Its color is red. In the south. The trick is in the tongue. When the tip of the tongue is red, there is a heart fire.

Nourish lungs in autumn. The lungs are gold and white in color. Located in the west. Its orifices are in the nose, with red nose, acne and greasy nose groove.

There is damp heat in the lungs.

Nourish the kidney in winter. Kidney belongs to water. Its color is black. Located in the north. The trick is in the ear. Tinnitus, deafness, dizziness, backache

Soft, belonging to fire.

Nourish the spleen and stomach in long summer. The spleen and stomach are earthy, yellowish and located in the center. The trick is in the lips.

Deficiency: slight cough, loss of appetite, constipation, abdominal distension, red tongue with little coating,

Solid symptoms: epigastric discomfort, dry mouth and bitter taste, dry stool.

(Long summer: June of the lunar calendar)

I hope it works for you.