Under normal circumstances, there will not be yiqi (farting) odor after taking Right Angelica Pill, if yiqi odor occurs, it may be caused by heat in the stomach and intestines due to overuse or stagnation of food and drink, and so on. Right Angelica Pill has the effect of warming and tonifying kidney yang (warming and replenishing kidney yang qi), filling up essence and stopping spermatorrhea (filling up and stabilizing essence qi, preventing spermatorrhea and semen slippage), and is suitable for people with kidney yang deficiency (lack of kidney yang qi), with symptoms such as lumbar and knee soreness and softness (feeling of soreness and weakness of lumbar and knee), fear of coldness and curled up in the bed, lack of mental energy, lack of warmth of the limbs, impotence and spermatorrhea, stools rotting and urinary frequency and clearing. Its adverse reactions and contraindications are not clear. Generally, Right Angelica Pill does not cause yagi odor, but because of the warm nature of Right Angelica Pill, it may lead to accumulation of heat in the spleen and stomach if used excessively for a long period of time, which may lead to yagi, foul odor, and may be accompanied by symptoms such as dry mouth, thirst, constipation, and so on. In addition, other factors such as deficiency of yang qi in the spleen and stomach, insufficient transportation and digestion in the spleen and stomach, resulting in stagnation of food and drink, may also lead to the emergence of yagi with foul smell, which may be accompanied by acidic water and vomiting, diarrhea, foul stools and so on. If the odor of yi qi occurs after taking Right Angelica Pill and other symptoms appear, it is recommended to consult a doctor and standardize the treatment under the doctor’s guidance.