Key disciplines: provincial level 1 (children's mental health care major is a demonstration unit of children's mental health care in Guangdong Province); 2 at the municipal level (neonatology is one of the top ten medical disciplines in Shenzhen, and the central laboratory is the key laboratory in Shenzhen); There are four districts (obstetrics, pediatrics and neonatology are key disciplines at the district level, and the central laboratory is the construction unit of key medical disciplines at the district level).