Your father belongs to heart-yang deficiency, which is characterized by chills, mental fatigue, shortness of breath, palpitation and palpitation, palpitation and shortness of breath aggravated by exercise, hypothermia in limbs, spontaneous sweating, chest tightness, precordial pain aggravated by cold, pale and fat tongue, white or greasy fur, and weak and slow pulse.

You can go to Shanghai Ruili Health Center to do hanging moxibustion conditioning, which is very effective and comfortable. I think your father will like it. You can search Ruili hanging moxibustion on the Internet.