Early manifestations of lupus nephritis mainly include systemic symptoms and symptoms of kidney involvement. 1. Systemic symptoms (1) Most patients with lupus nephritis will show damage to the skin and mucous membranes, and may have butterfly-shaped erythema and discoid erythema on the face. Some patients may also have erythema on the surface of limbs. (2) Fever: patients may have different degrees of fever such as low or high fever. (3) Some patients may experience bone and joint pain and discomfort when walking. 2. Symptoms of abnormal kidney function (1) Increased nocturia: most patients with lupus nephritis will have increased nocturia in the early stage. (2) Edema: most patients with lupus nephritis will have edema of the lower limbs and may also have facial edema. (3) Abnormalities of urine: patients with lupus nephritis may have proteinuria and foamy urine during urination. When suffering from lupus nephritis, you should consult a regular hospital and get timely treatment under the doctor’s guidance.