Middle-aged people with acne and thirst is not kidney deficiency, it is more likely to be wind-heat in the lung meridian. You can’t tell if you have kidney deficiency just by having acne and thirst. The common symptoms of kidney deficiency are lumbar and knee weakness (the feeling of lumbar and knee weakness), tinnitus and dizziness, male sexual dysfunction, female menstrual cramps and menstrual occlusion, and fatigue (mental exhaustion and physical weakness), etc. Kidney yin deficiency can also occur in the form of thirst, but it is usually seldom manifested in the form of acne growth. According to Chinese medicine, the lung is responsible for the skin and hair, when the lung wind-heat, gastrointestinal damp-heat, phlegm-damp stagnation, there will be the clinical manifestation of acne, but phlegm-damp, damp-heat is usually not thirsty. Long acne with thirst is mostly considered wind-heat of the lung meridian, wind-heat of the lung meridian pimples red or itchy or pustules, in addition, there are constipation, urination, short red (small amount of urine, dark yellow color) and other symptoms. If you need Chinese medicine to regulate your body, it is recommended to go to a regular medical institution and follow the doctor’s instructions for standardized treatment.