The patient mentioned that maca and American ginseng can be stewed at the same time. It has the effect of benefiting the qi and nourishing the yin, tonifying the kidney and filling up the essence. Clinically, it can be used for kidney deficiency, qi and yin insufficiency resulting in lumbago and leg weakness, mental fatigue, limb weakness, chest tightness and shortness of breath, dizziness, forgetfulness, memory loss, memory inattentiveness, palpitations, pale tongue, and other symptoms.