Make the potato salad: Peel the potatoes, cut into 2-3 pieces each and boil. Cut the ham into strips. Peel the cucumber in a stripe pattern, cut into 2 mm wide julienne, sprinkle with salt and leave for a while. Carefully put the eggs into boiling water, take out after 5 minutes and put into cold water, and peel. Cut the cream cheese into 1.5 cm dice.