Gu Gu De Er Xian Dan should be Gu De Er Xian Cream, subject to the influence of different dealers, different regions, different manufacturers and other factors, a box of Gu De Er Xian Cream does not have a uniform pricing, the current market price of each box of Gu De Er Xian Cream is about 44 yuan to 298 yuan. It is a traditional Chinese medicine composed of tortoise shell, deer antler, ginseng and wolfberry. Its effects include warming the kidneys and benefiting the vital essence, tonifying the qi and nourishing the blood, and it is mainly used for the treatment of lumbar and knee soreness and weakness (a feeling of soreness and weakness of the lumbar and knee areas) caused by deficiency of the kidneys and vital essence, etc. It is also used to treat the symptoms of kidney deficiency, which is caused by the loss of vital essence. Adverse effects of Guolu Erxian Cream are not known. Note that the product is prohibited for those who are allergic to the product, allergic individuals should be cautious, pregnant women and children should not take, and those with weak spleen and stomach should be cautious. During the period of taking, avoid eating spicy food, and should not be taken at the same time with cold medicine. It should be noted that if the patient needs to use the turtle deer Erxian cream, it is recommended to use under the guidance of a doctor, do not blindly use their own medication, so as not to delay the condition.