First of all, the function of Baizhi Dihuang Pill is to nourish yin and reduce fire, which is used to treat bone steaming, fatigue, night sweats, backache and nocturnal emission caused by yin deficiency and excessive fire. Warming the kidney and warming the deer pill is a medicine for warming the kidney and strengthening yang, but it can't be used for those with deficiency of kidney yin and inflammation of fire. (Taking Baizhi Dihuang Pills shows that yin deficiency is flourishing. Therefore, the two drugs are contradictory.
Don't eat spicy and greasy food during taking the medicine. If you want to nourish, you'd better take it when you are in good health.